Math, asked by pr896102, 8 months ago

write the coefficient of x² in the expansion of (x-2)³

Answers

Answered by starking8506

1

Answer: coefficient of x²= -6x²

the formula used is (a-b)³=a³-3a²b+3ab²-b³

Here a=x,b=2

x³-6x²+12x-8

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