1.

If 3 is a root of 2x^2+Kx+4=0 then k =?​

Answer»

ANSWER:

GIVEN ONE ROOT is 3

let other root be'a'

sum of roots=3+a=-k /2

product of roots=3a=4/2=2

a=2/3

sum=3+2/3=11/3

11/3=-K/2

K=-22/3


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