coefficient of X square in following expression( x square-1) ( x-2)
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coefficient of X square in following expression( x square-1) ( x-2)
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Hope it helps úh
hello dear
sharma ji ka ladka here
your question = ( x^2 -1 ) (x-2)
answer = x^2 (x-2) -1 (x-2)
= x^3 -2x^2 -x + 2
coefficient of x^2 == - 2