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