A) 0
B) 2
C) 3
D) - 4
Correct Answer: C
Solution :
From options put \[k=3\Rightarrow {{x}^{2}}+8x+7=0\] Þ \[(x+1)(x+7)=0\]\[\Rightarrow x=-1,\,-7\] means for k = 3 roots are negative.You need to login to perform this action.
You will be redirected in
3 sec