Question

If the zeroes of the polynomial
x2(x square) + 4x +2a are alpha and 2 by alpha , then find the value of "a" .


Class 10 maths ( Polynomials) .

Answer 1

product of zeros=
$\alpha \times \frac{1}{ \alpha } = \frac{c}{a}$
from the equation A=1;C=2a
so
$\alpha \times \frac{1}{ \alpha } = 2a$
2a=1
a=1/2.
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