Math, asked by masterrishabh437, 10 months ago

Find the coefficient of x^2 in the expansion of (x+3)(x-1)^2​

Answers

Answered by Anonymous
1

Answer:

(x+3)(x-1)²

(x+3)[ (x)²+(1)²-2(x)(1) ]

(x+3) [ -2x+1 ]

x( -2x+1) +3 (-2x+1)

-2x²+x+3x²-6x+3

x³+-5x+3

Here, the coefficient of is 1.

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