Question

If one zero of polynomial kx²+10x+k is -1/3 ,then k is

Answer 1

Answer:

p(x)=kx²+10x+k

x=-1/3

p(-1/3)=0

k(-1/3)²+10(-1/3)+k=0

k/9-10/3+k=0

10k/9=10/3

k=10/3 x 9/10

k=3

Hope it helps you

Answer 2

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