Answer:
1/(c - d)
Step-by-step explanation:
Multiply numerator and denominator by cd, then factor the denominator and cancel the common factor. (The result is restricted to c+d ≠ 0.)
![\displaystyle\frac{\frac{1}{c}+\frac{1}{d}}{\frac{c}{d}-\frac{d}{c}}=\frac{d+c}{c^2-d^2}\\\\=\frac{d+c}{(c-d)(d+c)}=\frac{1}{c-d}](https://tex.z-dn.net/?f=%5Cdisplaystyle%5Cfrac%7B%5Cfrac%7B1%7D%7Bc%7D%2B%5Cfrac%7B1%7D%7Bd%7D%7D%7B%5Cfrac%7Bc%7D%7Bd%7D-%5Cfrac%7Bd%7D%7Bc%7D%7D%3D%5Cfrac%7Bd%2Bc%7D%7Bc%5E2-d%5E2%7D%5C%5C%5C%5C%3D%5Cfrac%7Bd%2Bc%7D%7B%28c-d%29%28d%2Bc%29%7D%3D%5Cfrac%7B1%7D%7Bc-d%7D)
Answer:
0.631
Step-by-step explanation:
Do you have to find the area or perimeter?
im not sure but I think it is b
Answer:
Its 61
Step-by-step explanation: