Question

If the product of the roots of the equation x square - 3x + k = 10 be -2 then the value of k is​

Answer 1

BRAINLIST ANSWERE

Answer 2

let α and β be the zeroes of the given equation and a,b,c be the coefficients

i. e.

a=1; b= -3 ; c=k-10

these are the given information

α · β = -2

α · β = c/a

∴

-2 = c/a

=> -2 = (k+10)/(1)

=> -2 = k+10

=> k = -12

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