A) 4
B) 4/49
C) 49/4
D) None of these
Correct Answer: C
Solution :
Put\[x=4\]in\[{{x}^{2}}+px+12=0\], we get \[p=-7\] Now second equation \[{{x}^{2}}+px+q=0\] have equal roots. Therefore \[{{p}^{2}}=4q\,\,\,\Rightarrow \,\,\,q=\frac{49}{4}\]You need to login to perform this action.
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