Question

If the sum of zeroes of quadratic polynomial 5x^2 - kx+8 is 3,then find

value of k.​

Answer 1

Answer:

Let the zeroes of the given polynomial be α and β.

5x2 - kx + 8

sum of zeroes = α + β = 3

k/5 = 3

Answer 2

Value of k is 15

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Hope this will help you