Question

which of the coefficient of x⁴ in the given polynomial (a) 5x³+7x²-1 (b) -x⁴+9​

Answer 1

Answer:

(a) 0

(b)-1

Step-by-step explanation:

x⁴ doesn't exist in (a) so its zero (0x⁴)

Answer 2

Answer:

I don't know

Step-by-step explanation:

I ltry but i can't find