Q. 245.0( 1 Vote )

Mark the Co A. 4

B. 5

C. 6

D. 7

Answer :

given that the equation has imaginary roots, hence the discriminant is less than 0.

= 25-4k<0


When we submit 7 in k the condition above will be satisfied and when we replace 6 the condition will be false.


So the least value of k is 7.

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