1.

(a+3b+2c+6d)(a-3b-2c+6d)=(a+3b-2c-6d)(a-3b+2c-6d), prove that a:b::c:d​

Answer»

LHS :-

Here, a=(a+3b+2c+6d)

B=(a-3b-2c+6d)

So, a:b=(a+3b+2c+6d):(a-3b-2c+6d)

RHS :-

Here, C=(a+3b-2c-6d)

d=(a-3b+2c-6d)

So, c:d=(a+3b-2c-6d):(a-3b+2c-6d)

LHS=RHS, so ,a:b::c:d=(a+3b+2c+6d):(a-3b-2c+6d)::(a+3b-2c-6d):(a-3b+2c-6d)

HENCE, proved!


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