Question

If b is the mean proportion between a and c then prove that abc(a+b+c)whole cube =(ab +bc+ca )whole cube

Answer 1

HEY DEAR ... ✌️

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Here's , Ur Answer :-


A/b= b/c = K (lets )
then a=bk and b=ck
then put the value of b in the a.
So, a = c^2 k.
now
put out your LHS and RHS and see that both are same.

HOPE , IT HELPS ... ✌️

Answer 2

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