A) even positive integer
B) prime number
C) odd integer
D) multiple of 4
Correct Answer: A
Solution :
[a] \[P(n)={{n}^{2}}+n:\] |
\[P(1)=1+1=2;\] |
\[P(2)={{2}^{2}}+2=6;\] |
\[P(3)={{3}^{2}}+3=12\] |
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