If its first term, n is equal to 1. Thus...
T(1)=(1)(2)+3=2+3=5
The answer is 5.
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Answer:
Step-by-step explanation:
R+S is odd==>R+S=2n+1 (1)
T-S is odd ==>T-S=2k+1 (2)
(1)+(2)==>R+T+S-S=2n+1+2k+1
==>R+T=2(n+k+1) is even
Answer A
