Question

Find the compounded ratio of :
(i) (a - b): (a + b) and (b2 + ab) : (a2 - ab)​

Answer 1

Answer:

(a-b)+(a+b)/(a-b)-(a+b)

Num+Denom/Num-Denom

same as apply on 2nd term

(b2+ab)+(a2-ab)/(b2+ab)-(a2-ab)

Num+Denom/Num-Denom