Question

the sum of the zeros of the quadratic polynomial 3x²-kx+6 is 3 then find the value of k.
class X cbse sample paper
2020-21​

Answer 1

Answer:

k = 9

Step-by-step explanation:

Sum of zeroes (α+β) = -b/a              [ a = 3 , b = -k and c = 6]

3 = -(-k)/3

k = 3*3

k = 9

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