Question

What is the coefficient of x square in bracket 3 x + x cube bracket close bracket x + 1 by x bracket?

Answer 1

Answer:

Step-by-step explanation:

(3x+x^3)(x+1÷x)

3x(x+1÷x)+x^3(x+1÷x)

3x^2+3+x^4+x^2

X^4+4x^2+3

Coefficient of x square is 4

Answer 2

Step-by-step explanation:

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