Question

if 2 is a zero of polynomial p(x) = 4x³- 3x+5a then find the value of a ​

Answer 1

Answer:

• Given that,
• 2 is zero of the polynomial P(x)=4x³- 3x+5a

i.e., P(2)=0

⟹4(2)²–3(2)+5a = 0

⟹16−6+5a = 0

⟹10+5a = 0

⟹5a = −10

∴ a = −2