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Question

Verify:
(a+b)2(ab)2=4ab, for a=4,b=3.

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Solution

For a=4,b=3.

Now,
a+b=7......(1) and ab=43=1.....(2).

Now, (1)2+ (2)2 we get,

(a+b)2(ab)2

=7212

=491

=48......(3).

Now,
4ab

=4×3×4

=48.....(4).

From (3) and (4) it is varified.

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