Question

Verify whether t=1 is a zero of polynomial q(t) = t 4 - 3t2 + 2t + 1

Answer 1

Answer:

If t=1 is a zero, then q(1) must be 0

=>  q(t) = t 4 - 3t2 + 2t + 1

=> q(1) = 1^4 -3(1^2) +2(1) +1 = 1-3+2+1 = 1

Therefore, t=1 is not a zero of the polynomial