A) 26
B) 27
C) 28
D) None of these
Correct Answer: B
Solution :
Obviously \[164=(3{{m}^{2}}+5m)-\{3{{(m-1)}^{2}}+5(m-1)\}\] \[=(3{{m}^{2}}+5m)-3{{m}^{2}}+6m-3-5m+5\] \[\Rightarrow \]\[164=6m+2\]\[\Rightarrow \]\[m=27\].You need to login to perform this action.
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