1.

X square + 2 kx + 4 equals to zero has a root 2 then find the value of k​

Answer»

ANSWER:

GIVEN EQUATION is

X^2+2kx+4=0

put x= 2

(2)^2+2k(2)+4=0

4+4k+4=0

4k+8=0

4k= -8

k=-8/4 =-2

k=-2



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