Question

Q1. If the two zeroes of the polynomial f(x) = x^3 – 6x^2 + mx + n are 2+ root 5 and 2 - root 5, then find third zero and values of m and n.
Q2. Divide the polynomial f(x) = 5x^2 – 8x^3 + 2 – 15x by the polynomial 2x – 4x^2 + 1 and verify the division algorithm.
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Answer 1

Answer:

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Answer 2

ques 1. m =11 and n =6 .. ...... and third root is -2