Math, asked by rizvinaazfatima, 9 months ago

(4x + 7y)6 - (4x - 7y)^2 = 112XY

Answers

Answered by ankitphanzira

3

Answer:

Step-by-step explanation:

LHS :

( 4x+7y)'2-(4x-7y)'2. =16x'2+49y'2+56xy-[16x'2+49y'2-56xy]

=16x'2+49y'2+56xy-16x'2-49y'2+56xy

=56xy+56xy

=112xy

=RHS

NOTE: ' means power

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