solve the question given in the picture
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Answer:
It is b - 108..
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Solution :
Given expression = ( x - 6 )^ 3
By using the expression (a-b)^3 = a^3-b^3-3ab(a-b)
= ( x - 6 )^ 3
= x^3 - 6^3 -3(x)(6)(x-6)
= x^3 -216 -18x^2-108x
∴ Co-efficient of x = -108
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