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James Chen TMUA Paper 2 · Q9

Paper 2Sequences & series

The Subway Sequence is defined as:

u0=‘She’, u1=‘Got’, u2=‘Away’, and un=un−3 for n≥3.u_0=\text{`She'},\ u_1=\text{`Got'},\ u_2=\text{`Away'},\ \text{and }u_n=u_{n-3}\text{ for }n\geq3.

What is u(2025+2026+2027+⋯+2100)u_{(2025+2026+2027+\cdots+2100)}?

A‘She’
B‘Got’
C‘Away’
DNone of the above

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