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How do you (((w^2)*25*10^-10)^2+(w*5*10^-5)^2)/(1+(w^2)*25*10^-10)^2 in partial fractions?

An expression to simplify:

The solution

You have entered [src]
               2                
/ 2           \                2
\w *25*1.0e-10/  + (w*5*1.0e-5) 
--------------------------------
                         2      
      /     2           \       
      \1 + w *25*1.0e-10/       
$$\frac{\left(1.0 \cdot 10^{-10} \cdot 25 w^{2}\right)^{2} + \left(1.0 \cdot 10^{-5} \cdot 5 w\right)^{2}}{\left(1.0 \cdot 10^{-10} \cdot 25 w^{2} + 1\right)^{2}}$$
(((w^2*25)*1.0e-10)^2 + ((w*5)*1.0e-5)^2)/(1 + (w^2*25)*1.0e-10)^2
Fraction decomposition [src]
1.0 - 1.0*(1.0 + 2.5e-9*w^2)/(1.0 + 5.0e-9*w^2 + 6.25e-18*w^4)
$$- \frac{1.0 \left(2.5 \cdot 10^{-9} w^{2} + 1.0\right)}{6.25 \cdot 10^{-18} w^{4} + 5.0 \cdot 10^{-9} w^{2} + 1.0} + 1.0$$
              /              2\    
          1.0*\1.0 + 2.5e-9*w /    
1.0 - -----------------------------
                    2             4
      1.0 + 5.0e-9*w  + 6.25e-18*w 
General simplification [src]
 2 /                   2\
w *\2.5e-9 + 6.25e-18*w /
-------------------------
                    2    
     /            2\     
     \1 + 2.5e-9*w /     
$$\frac{w^{2} \left(6.25 \cdot 10^{-18} w^{2} + 2.5 \cdot 10^{-9}\right)}{\left(2.5 \cdot 10^{-9} w^{2} + 1\right)^{2}}$$
w^2*(2.5e-9 + 6.25e-18*w^2)/(1 + 2.5e-9*w^2)^2
Numerical answer [src]
(2.5e-9*w^2 + 6.25e-18*w^4)/(1.0 + 2.5e-9*w^2)^2
(2.5e-9*w^2 + 6.25e-18*w^4)/(1.0 + 2.5e-9*w^2)^2
Assemble expression [src]
        2             4
2.5e-9*w  + 6.25e-18*w 
-----------------------
                   2   
    /            2\    
    \1 + 2.5e-9*w /    
$$\frac{6.25 \cdot 10^{-18} w^{4} + 2.5 \cdot 10^{-9} w^{2}}{\left(2.5 \cdot 10^{-9} w^{2} + 1\right)^{2}}$$
(2.5e-9*w^2 + 6.25e-18*w^4)/(1 + 2.5e-9*w^2)^2
Combining rational expressions [src]
 2 /                   2\
w *\2.5e-9 + 6.25e-18*w /
-------------------------
                    2    
     /            2\     
     \1 + 2.5e-9*w /     
$$\frac{w^{2} \left(6.25 \cdot 10^{-18} w^{2} + 2.5 \cdot 10^{-9}\right)}{\left(2.5 \cdot 10^{-9} w^{2} + 1\right)^{2}}$$
w^2*(2.5e-9 + 6.25e-18*w^2)/(1 + 2.5e-9*w^2)^2
Combinatorics [src]
           2   
   2.5e-9*w    
---------------
              2
1.0 + 2.5e-9*w 
$$\frac{2.5 \cdot 10^{-9} w^{2}}{2.5 \cdot 10^{-9} w^{2} + 1.0}$$
2.5e-9*w^2/(1.0 + 2.5e-9*w^2)
Trigonometric part [src]
        2             4
2.5e-9*w  + 6.25e-18*w 
-----------------------
                   2   
    /            2\    
    \1 + 2.5e-9*w /    
$$\frac{6.25 \cdot 10^{-18} w^{4} + 2.5 \cdot 10^{-9} w^{2}}{\left(2.5 \cdot 10^{-9} w^{2} + 1\right)^{2}}$$
(2.5e-9*w^2 + 6.25e-18*w^4)/(1 + 2.5e-9*w^2)^2
Rational denominator [src]
        2             4
2.5e-9*w  + 6.25e-18*w 
-----------------------
                   2   
    /            2\    
    \1 + 2.5e-9*w /    
$$\frac{6.25 \cdot 10^{-18} w^{4} + 2.5 \cdot 10^{-9} w^{2}}{\left(2.5 \cdot 10^{-9} w^{2} + 1\right)^{2}}$$
(2.5e-9*w^2 + 6.25e-18*w^4)/(1 + 2.5e-9*w^2)^2
Common denominator [src]
              /              2\    
          1.0*\1.0 + 2.5e-9*w /    
1.0 - -----------------------------
                    2             4
      1.0 + 5.0e-9*w  + 6.25e-18*w 
$$- \frac{1.0 \left(2.5 \cdot 10^{-9} w^{2} + 1.0\right)}{6.25 \cdot 10^{-18} w^{4} + 5.0 \cdot 10^{-9} w^{2} + 1.0} + 1.0$$
1.0 - 1.0*(1.0 + 2.5e-9*w^2)/(1.0 + 5.0e-9*w^2 + 6.25e-18*w^4)
Powers [src]
        2             4
2.5e-9*w  + 6.25e-18*w 
-----------------------
                   2   
    /            2\    
    \1 + 2.5e-9*w /    
$$\frac{6.25 \cdot 10^{-18} w^{4} + 2.5 \cdot 10^{-9} w^{2}}{\left(2.5 \cdot 10^{-9} w^{2} + 1\right)^{2}}$$
(2.5e-9*w^2 + 6.25e-18*w^4)/(1 + 2.5e-9*w^2)^2
Expand expression [src]
             4               2
1.0e-20*625*w  + 1.0e-10*25*w 
------------------------------
                        2     
     /     2           \      
     \1 + w *25*1.0e-10/      
$$\frac{1.0 \cdot 10^{-20} \cdot 625 w^{4} + 1.0 \cdot 10^{-10} \cdot 25 w^{2}}{\left(1.0 \cdot 10^{-10} \cdot 25 w^{2} + 1\right)^{2}}$$
(1.0e-20*625*w^4 + 1.0e-10*25*w^2)/(1 + (w^2*25)*1.0e-10)^2