Question

the sum of the zeroes of a quardatic polynomial 5x2-kx+2 is 7 then find the value of k
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Answer 1

Step-by-step explanation:

-b/a=7

-b/a=7k/5=7

-b/a=7k/5=7k=35

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Answer 2

5x²−7x+k=0

Given that roots are reciprocal to each other

Let the roots be x,1/c

Products of roots= k/5 =1

⟹k=5

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