IF p/q = q/r = r/s then prove that(p+q) (r+s) = (q + r) 2
Answer:
⇒ We have, p:q::r:s
⇒ qp=sr
⇒ p×s=r×q
⇒ ps=rq i.e. qr=ps
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Answer:
⇒ We have, p:q::r:s
⇒ qp=sr
⇒ p×s=r×q
⇒ ps=rq i.e. qr=ps