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Question

Evaluate:
(3x+4y)(3x4y)(9x2+16y2) is equal to 81x4256y4.
If true then enter 1 and if false then enter 0

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Solution

Given, (3x+4y)(3x4y)(9x2+16y2)
Applying the formula (a+b)(ab)=a2b2, where a=3x,b=4y
(3x+4y)(3x4y)(9x2+16y2)=(9x216y2)(9x2+16y2)
=(9x2)2(16y2)2
=(81x4256y4)

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