Question

If one zero of the polynomial p(x)=2x2-4kx+6x-7 is the negative of the other find the zeroes of x2-kx-1.
Pls answer fast

Answer 1

Step-by-step explanation:

let us consider one zero of the polynomial = a

according to the ques

other zero polynomial = -a

sum of roots = a + (-a) = 0

we know that,

for a quadratic equation,

sum of roots = -( coefficient of x ) / coefficient of x^2

given polynomial = x^2 + 4kx -25

so, sum of roots = 4k/1 = 4k

sum of roots = 0

k = 0/4 = 0

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