A) 1
B) 2
C) 3
D) 4
Correct Answer: C
Solution :
[c] \[f(1)=f(2)\] \[\Rightarrow \,\,3m+n+7=0\] ?.(1) and \[f'(x)\,\,(at\,\,x=4/3)=0\] gives \[8m+3n+16=0\] ?..(2) \[\Rightarrow \,\,\,\,m=-5,\,\,n=8\]You need to login to perform this action.
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