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Official 2017 Paper 2 · Q3

Paper 2Sequences & series

The first term of a geometric progression is 232\sqrt3 and the fourth term is 94\frac94.

What is the sum to infinity of this geometric progression?

A−2(2−3)-2(2-\sqrt3)
B4(23−3)4(2\sqrt3-3)
C16(83+9)37\frac{16(8\sqrt3+9)}{37}
D4(23−3)7\frac{4(2\sqrt3-3)}7
E4(23+3)7\frac{4(2\sqrt3+3)}7
F2(2+3)2(2+\sqrt3)
G4(23+3)4(2\sqrt3+3)

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