3 years ago

Which of the following polynomials is the expansion of (1/2x-y)^4

Mathematics

1 answer:

RideAnS [48]3 years ago

7 0

Answer:

Hello :

(1/2x-y)^4 = (1/2x-y)²(1/2x-y)²

but : (1/2x-y)²= (1/2)²- 2(1/2)xy +y²

so : (1/2x-y)^4 = ((1/2)²- 2(1/2)xy +y²) ((1/2)²- 2(1/2)xy +y²) = ........

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