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Question

If roots of equation 6x27x+k=0 are equal. find k.

A
4924
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B
2
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C
1,2
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D
1,2
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Solution

The correct option is A 4924
Given that
6x27x+k=0
and, b24ac=0
now
(7)24×6×k=0

4924k=0

24k=49 [cancle the -ve sign both sides]
k=4924

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