Question

please answer this question

Answer 1

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Given quadratic equation

The general form of quadratic equation is. x square - (alpha + bheta) x + (alpha x bheta) = 0

where alpha and bheta are the roots of quadratic equation

By comparing given quadratic equation with general form

sum=k+6

product=2(2k-1)

so given

sum is equal to half of it's product

sum= product/2

i.e= (k+6)=2(2k-1)/2

k+6= 2k -1

k=7

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