Question

the coefficient of x^2 in (3x+x^3)(x+1/x)​

Answer 1

Answer:

Step-by-step explanation:

Coefficient of x² is 1

Since: (3x+x³)(x+1/x)

(3x²+3x+x⁴+x³)/x

X(3x+3+x³+x²)/x

3x+3+x³+x²

X³+x²+3x+3

Cofficient of x² is 1