Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation k^2-4*k+13=0
- Equation x^3+11x^2-9x-99=0
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Equation x*log(x)=0
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Equation 7*(4x-1)=6-2*(3-14x)
- Express {x} in terms of y where:
- -4*x+18*y=-14
- 14*x-16*y=14
- -10*x+18*y=6
- 4*x+13*y=13
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Identical expressions
- log3X+4log nine X=9
- logarithm of 3X plus 4 logarithm of 9X equally 9
- logarithm of 3X plus 4 logarithm of nine X equally 9
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Similar expressions
- log3X-4log9X=9
log3X+4log9X=9 equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
[src]
log(3*x) + 4*log(9*x) = 9
$$\log{\left(3 x \right)} + 4 \log{\left(9 x \right)} = 9$$
Sum and product of roots
[src]
sum
5 ___ 9/5
\/ 3 *e
----------
9
$$\frac{\sqrt[5]{3} e^{\frac{9}{5}}}{9}$$
=
5 ___ 9/5
\/ 3 *e
----------
9
$$\frac{\sqrt[5]{3} e^{\frac{9}{5}}}{9}$$
product
5 ___ 9/5
\/ 3 *e
----------
9
$$\frac{\sqrt[5]{3} e^{\frac{9}{5}}}{9}$$
=
5 ___ 9/5
\/ 3 *e
----------
9
$$\frac{\sqrt[5]{3} e^{\frac{9}{5}}}{9}$$
3^(1/5)*exp(9/5)/9
Rapid solution
[src]
5 ___ 9/5
\/ 3 *e
x1 = ----------
9
$$x_{1} = \frac{\sqrt[5]{3} e^{\frac{9}{5}}}{9}$$
x1 = 3^(1/5)*exp(9/5)/9