IP1U7 7.3 PN1 Q2
IP1U7 7.3 PN1 Q2
TGM Original Questions
The sum of the first \(n\) terms of a sequence is given by \(3{{n}^{2}}+5n\).
- Find the \({{1}^{\mathrm{st}}}\) term of this sequence.
- Write down an expression for the \(n^{\mathrm{th}}\) term.
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Answer:(a) \(T_1=8\) (b) \(T_n=6n+2\)
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