Question

find the following product (x^9)(- x^10)(x^11)(- x^12)​

Answer 1

Answer:

x⁴²

Step-by-step explanation:

x⁹ * -x¹⁰ * x¹¹ * -x¹²

=x⁹ * (-1)¹⁰* x¹⁰ * x¹¹ * (-1)¹² * x¹²

(-1)¹⁰ = 1 and (-1)¹² = 1

=x⁹ *  x¹⁰ * x¹¹ * x¹²

xᵃ * xᵇ = xᵃ⁺ᵇ

=x⁹⁺¹⁰⁺¹¹⁺¹²

=x⁴²