Question

if the equation for x square - 3 kx + 1 equals to zero has equal roots then ke equals to?​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Here,

Equation x²-3kx+1=0

has equal roots so,

alpha=ahpha

product of roots=c/a

(alpha)(alpha)=1/1

(alpha)²=1

alpha=√1

alpha=1

sum of roots= -b/a

1+1=-3k/1

2=-3k

-2/3=k

therefore value of k is -2/3

HOPE IT HELPS YOU!!!