Question

7. If one zero of the quadratic polynomial f(x) =
find the value of k.
8. If the sum of the zeros of the quadratic polynomia
ne quadratic polynomial f(x) = 472-8kx - 9 is negative of the other,
S of the quadratic polynomial f(t) = kt2 + 2+ + 3k is equal to their​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Let two roots of quadratic equation are x(1) & x(2).

Then according to question,

x(1) = -x(2)

x(1) + x(2) = 0

-(b/a)=0 ( sum of roots = -(coefficient of x / coefficient of x^2) )

8k/4=0

k=0

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