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Proven Potential TMUA Sample Paper 1 · Q14

Paper 1Algebra

What is the value of

2+(n2)+(n3)+(n4)+⋯+(nn−2)+(nn−1)?2+\binom n2+\binom n3+\binom n4+\cdots+\binom n{n-2}+\binom n{n-1}?
An(n+1)2\frac{n(n+1)}2
B2n2^n
C2n−n2^n-n
Dnnn^n
E2n−12^n-1

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