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Question

The set of values of k for which the given quadratic equation has real roots
3x2 + 2x + k = 0 is k 13

A
True
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B
False
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Solution

The correct option is A True
The given quadratic equation is 3x2+2x+k=0, comparing it with ax2+bx+c=0
We get, a=3,b=2,c=k
It is given that roots are real.
b24ac0
(2)24(3)(k)0
412k
12k4
3k1
k13
We can see that value k given question are correct.

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