Question

OLYNOMIALS
4. If one zero the polynomial (a2 + 9)x2 + 15x + 6a is
reciprocal of the other, find the value of a.
5. If one zero of the polynomial g(x) = x2 + px + 8 is
double the other, then find the value of p and hence
both zeroes of g(x).
6. Find k if zeroes a, ß of the polynomial 5x2 +
(2k + 1)x + (k − 2) are such that 2a + 5B = 1.
7. Find a quadratic polynomial each with the numbers
given below as sum and product of its zeroes
respectively​

Answer 1

Answer:

The answer of Q4. is in the attachment