Question

sendo o polinomio P(X)=4x²+x-n, determine o valor de n,sabendo que 1e raiz de P(x)

Answer 1

p(x)=4x²+x-n  com x= 1

=4(1)²+1-n
=4(1)+1-n
=4+1-n
=5-n
n=5