General simplification
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/ / / 2 \ 2\
/ 2 | 4 | / 2 2\ 2 2| / 2 2\ |
/ b *\4*a + b*\- \a + b / + (a + b) *(b - a) / + 2*a*\a + b / /
/ -----------------------------------------------------------------
/ 2
/ / 2 2\
\/ \a + b /
$$\sqrt{\frac{b^{2} \left(4 a^{4} + 2 a \left(a^{2} + b^{2}\right)^{2} + b \left(\left(- a + b\right)^{2} \left(a + b\right)^{2} - \left(a^{2} + b^{2}\right)^{2}\right)\right)}{\left(a^{2} + b^{2}\right)^{2}}}$$
sqrt(b^2*(4*a^4 + b*(-(a^2 + b^2)^2 + (a + b)^2*(b - a)^2) + 2*a*(a^2 + b^2)^2)/(a^2 + b^2)^2)
Fraction decomposition
[src]
sqrt(b^2 - b^3 + b^6/(a^4 + b^4 + 2*a^2*b^2) + b^7/(a^4 + b^4 + 2*a^2*b^2) - 2*b^4/(b^2 + a^2) + 2*a*b^2 + a^4*b^2/(a^4 + b^4 + 2*a^2*b^2) + a^4*b^3/(a^4 + b^4 + 2*a^2*b^2) - 2*a^2*b^4/(a^4 + b^4 + 2*a^2*b^2) - 2*a^2*b^5/(a^4 + b^4 + 2*a^2*b^2) + 2*a^2*b^2/(b^2 + a^2))
$$\sqrt{\frac{a^{4} b^{3}}{a^{4} + 2 a^{2} b^{2} + b^{4}} + \frac{a^{4} b^{2}}{a^{4} + 2 a^{2} b^{2} + b^{4}} - \frac{2 a^{2} b^{5}}{a^{4} + 2 a^{2} b^{2} + b^{4}} - \frac{2 a^{2} b^{4}}{a^{4} + 2 a^{2} b^{2} + b^{4}} + \frac{2 a^{2} b^{2}}{a^{2} + b^{2}} + 2 a b^{2} + \frac{b^{7}}{a^{4} + 2 a^{2} b^{2} + b^{4}} + \frac{b^{6}}{a^{4} + 2 a^{2} b^{2} + b^{4}} - \frac{2 b^{4}}{a^{2} + b^{2}} - b^{3} + b^{2}}$$
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/ 6 7 4 4 2 4 3 2 4 2 5 2 2
/ 2 3 b b 2*b 2 a *b a *b 2*a *b 2*a *b 2*a *b
/ b - b + ----------------- + ----------------- - ------- + 2*a*b + ----------------- + ----------------- - ----------------- - ----------------- + -------
/ 4 4 2 2 4 4 2 2 2 2 4 4 2 2 4 4 2 2 4 4 2 2 4 4 2 2 2 2
\/ a + b + 2*a *b a + b + 2*a *b b + a a + b + 2*a *b a + b + 2*a *b a + b + 2*a *b a + b + 2*a *b b + a
(b^2*((1.0 - (b^2 - a^2)/(a^2 + b^2))^2 + 2.0*a - b*(1.0 - (a + b)^2*(b - a)^2/(a^2 + b^2)^2)^1.0))^0.5
(b^2*((1.0 - (b^2 - a^2)/(a^2 + b^2))^2 + 2.0*a - b*(1.0 - (a + b)^2*(b - a)^2/(a^2 + b^2)^2)^1.0))^0.5
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/ 2
____ / / 2 2\ / 2 2\
/ 2 / | b - a | | (b + a) *(b - a) |
\/ b * / |1 - -------| + 2*a - b*|1 - -----------------|
/ | 2 2| | 2 |
/ \ b + a / | / 2 2\ |
\/ \ \b + a / /
$$\sqrt{2 a - b \left(- \frac{\left(- a + b\right)^{2} \left(a + b\right)^{2}}{\left(a^{2} + b^{2}\right)^{2}} + 1\right) + \left(- \frac{- a^{2} + b^{2}}{a^{2} + b^{2}} + 1\right)^{2}} \sqrt{b^{2}}$$
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/ / 2 \
/ |/ 2 2\ / 2 2\|
/ 2 || b - a | | (b + a) *(b - a) ||
/ b *||1 - -------| + 2*a - b*|1 - -----------------||
/ || 2 2| | 2 ||
/ |\ b + a / | / 2 2\ ||
\/ \ \ \b + a / //
$$\sqrt{b^{2} \left(2 a - b \left(- \frac{\left(- a + b\right)^{2} \left(a + b\right)^{2}}{\left(a^{2} + b^{2}\right)^{2}} + 1\right) + \left(- \frac{- a^{2} + b^{2}}{a^{2} + b^{2}} + 1\right)^{2}\right)}$$
sqrt(b^2*((1 - (b^2 - a^2)/(b^2 + a^2))^2 + 2*a - b*(1 - (b + a)^2*(b - a)^2/(b^2 + a^2)^2)))
Assemble expression
[src]
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/ / 2 \
/ |/ 2 2\ / 2 2\|
/ 2 || b - a | | (a + b) *(b - a) ||
/ b *||1 - -------| + 2*a + b*|-1 + -----------------||
/ || 2 2| | 2 ||
/ |\ a + b / | / 2 2\ ||
\/ \ \ \a + b / //
$$\sqrt{b^{2} \left(2 a + b \left(\frac{\left(- a + b\right)^{2} \left(a + b\right)^{2}}{\left(a^{2} + b^{2}\right)^{2}} - 1\right) + \left(- \frac{- a^{2} + b^{2}}{a^{2} + b^{2}} + 1\right)^{2}\right)}$$
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/ / 2 \
/ |/ 2 2\ / 2 2\|
/ 2 || b - a | | (a + b) *(b - a) ||
/ b *||1 - -------| + 2*a - b*|1 - -----------------||
/ || 2 2| | 2 ||
/ |\ a + b / | / 2 2\ ||
\/ \ \ \a + b / //
$$\sqrt{b^{2} \left(2 a - b \left(- \frac{\left(- a + b\right)^{2} \left(a + b\right)^{2}}{\left(a^{2} + b^{2}\right)^{2}} + 1\right) + \left(- \frac{- a^{2} + b^{2}}{a^{2} + b^{2}} + 1\right)^{2}\right)}$$
sqrt(b^2*((1 - (b^2 - a^2)/(a^2 + b^2))^2 + 2*a - b*(1 - (a + b)^2*(b - a)^2/(a^2 + b^2)^2)))
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/ 2 / 4 4 3 3 2 2\
___ / a*b *\a + b + 2*a - 2*a*b + 2*a *b /
\/ 2 * / ----------------------------------------
/ 4 4 2 2
\/ a + b + 2*a *b
$$\sqrt{2} \sqrt{\frac{a b^{2} \left(a^{4} + 2 a^{3} + 2 a^{2} b^{2} - 2 a b^{3} + b^{4}\right)}{a^{4} + 2 a^{2} b^{2} + b^{4}}}$$
sqrt(2)*sqrt(a*b^2*(a^4 + b^4 + 2*a^3 - 2*a*b^3 + 2*a^2*b^2)/(a^4 + b^4 + 2*a^2*b^2))
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/ / 2 \
/ |/ 2 2\ / 2 2\|
/ 2 || b - a | | (a + b) *(b - a) ||
/ b *||1 - -------| + 2*a - b*|1 - -----------------||
/ || 2 2| | 2 ||
/ |\ a + b / | / 2 2\ ||
\/ \ \ \a + b / //
$$\sqrt{b^{2} \left(2 a - b \left(- \frac{\left(- a + b\right)^{2} \left(a + b\right)^{2}}{\left(a^{2} + b^{2}\right)^{2}} + 1\right) + \left(- \frac{- a^{2} + b^{2}}{a^{2} + b^{2}} + 1\right)^{2}\right)}$$
sqrt(b^2*((1 - (b^2 - a^2)/(a^2 + b^2))^2 + 2*a - b*(1 - (a + b)^2*(b - a)^2/(a^2 + b^2)^2)))
Rational denominator
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/ / 2 \
/ | 2 / 2 2 \ 2 2 |
/ 2 |/ 2 2\ | a b | / 2 2\ / 2 2\ 2 2|
/ b *|\b + a / *|1 + ------- - -------| - b*\b + a / + 2*a*\b + a / + b*(a + b) *(a - b) |
/ | | 2 2 2 2| |
/ \ \ b + a b + a / /
/ ----------------------------------------------------------------------------------------------
/ 2
/ / 2 2\
\/ \b + a /
$$\sqrt{\frac{b^{2} \left(2 a \left(a^{2} + b^{2}\right)^{2} + b \left(a - b\right)^{2} \left(a + b\right)^{2} - b \left(a^{2} + b^{2}\right)^{2} + \left(a^{2} + b^{2}\right)^{2} \left(\frac{a^{2}}{a^{2} + b^{2}} - \frac{b^{2}}{a^{2} + b^{2}} + 1\right)^{2}\right)}{\left(a^{2} + b^{2}\right)^{2}}}$$
sqrt(b^2*((b^2 + a^2)^2*(1 + a^2/(b^2 + a^2) - b^2/(b^2 + a^2))^2 - b*(b^2 + a^2)^2 + 2*a*(b^2 + a^2)^2 + b*(a + b)^2*(a - b)^2)/(b^2 + a^2)^2)
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/ 6 7 4 4 2 4 3 2 4 2 5 2 2
/ 2 3 b b 2*b 2 a *b a *b 2*a *b 2*a *b 2*a *b
/ b - b + ----------------- + ----------------- - ------- + 2*a*b + ----------------- + ----------------- - ----------------- - ----------------- + -------
/ 4 4 2 2 4 4 2 2 2 2 4 4 2 2 4 4 2 2 4 4 2 2 4 4 2 2 2 2
\/ a + b + 2*a *b a + b + 2*a *b a + b a + b + 2*a *b a + b + 2*a *b a + b + 2*a *b a + b + 2*a *b a + b
$$\sqrt{\frac{a^{4} b^{3}}{a^{4} + 2 a^{2} b^{2} + b^{4}} + \frac{a^{4} b^{2}}{a^{4} + 2 a^{2} b^{2} + b^{4}} - \frac{2 a^{2} b^{5}}{a^{4} + 2 a^{2} b^{2} + b^{4}} - \frac{2 a^{2} b^{4}}{a^{4} + 2 a^{2} b^{2} + b^{4}} + \frac{2 a^{2} b^{2}}{a^{2} + b^{2}} + 2 a b^{2} + \frac{b^{7}}{a^{4} + 2 a^{2} b^{2} + b^{4}} + \frac{b^{6}}{a^{4} + 2 a^{2} b^{2} + b^{4}} - \frac{2 b^{4}}{a^{2} + b^{2}} - b^{3} + b^{2}}$$
sqrt(b^2 - b^3 + b^6/(a^4 + b^4 + 2*a^2*b^2) + b^7/(a^4 + b^4 + 2*a^2*b^2) - 2*b^4/(a^2 + b^2) + 2*a*b^2 + a^4*b^2/(a^4 + b^4 + 2*a^2*b^2) + a^4*b^3/(a^4 + b^4 + 2*a^2*b^2) - 2*a^2*b^4/(a^4 + b^4 + 2*a^2*b^2) - 2*a^2*b^5/(a^4 + b^4 + 2*a^2*b^2) + 2*a^2*b^2/(a^2 + b^2))
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/ / 2 \
/ |/ 2 2\ / 2 2\|
/ 2 || a - b | | (a + b) *(b - a) ||
/ b *||1 + -------| + 2*a - b*|1 - -----------------||
/ || 2 2| | 2 ||
/ |\ a + b / | / 2 2\ ||
\/ \ \ \a + b / //
$$\sqrt{b^{2} \left(2 a - b \left(- \frac{\left(- a + b\right)^{2} \left(a + b\right)^{2}}{\left(a^{2} + b^{2}\right)^{2}} + 1\right) + \left(\frac{a^{2} - b^{2}}{a^{2} + b^{2}} + 1\right)^{2}\right)}$$
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/ / 2 \
/ |/ 2 2\ / 2 2\|
/ 2 || b - a | | (a + b) *(b - a) ||
/ b *||1 - -------| + 2*a - b*|1 - -----------------||
/ || 2 2| | 2 ||
/ |\ a + b / | / 2 2\ ||
\/ \ \ \a + b / //
$$\sqrt{b^{2} \left(2 a - b \left(- \frac{\left(- a + b\right)^{2} \left(a + b\right)^{2}}{\left(a^{2} + b^{2}\right)^{2}} + 1\right) + \left(- \frac{- a^{2} + b^{2}}{a^{2} + b^{2}} + 1\right)^{2}\right)}$$
sqrt(b^2*((1 - (b^2 - a^2)/(a^2 + b^2))^2 + 2*a - b*(1 - (a + b)^2*(b - a)^2/(a^2 + b^2)^2)))
Combining rational expressions
[src]
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/ / / 2 \ 2\
/ 2 | 4 |/ 2 2\ 2 2| / 2 2\ |
/ b *\4*a - b*\\a + b / - (a + b) *(b - a) / + 2*a*\a + b / /
/ ---------------------------------------------------------------
/ 2
/ / 2 2\
\/ \a + b /
$$\sqrt{\frac{b^{2} \left(4 a^{4} + 2 a \left(a^{2} + b^{2}\right)^{2} - b \left(- \left(- a + b\right)^{2} \left(a + b\right)^{2} + \left(a^{2} + b^{2}\right)^{2}\right)\right)}{\left(a^{2} + b^{2}\right)^{2}}}$$
sqrt(b^2*(4*a^4 - b*((a^2 + b^2)^2 - (a + b)^2*(b - a)^2) + 2*a*(a^2 + b^2)^2)/(a^2 + b^2)^2)