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tmua.me Medium Set F Paper 1 · Q13

Paper 1Sequences & series

A geometric progression u1,u2,u3,…u_1,u_2,u_3,\ldots has a negative common ratio. It is given that

u3=8,u5=2.u_3=8,\qquad u_5=2.

What is u4+u6u_4+u_6?

A−20-20
B−5-5
C−4-4
D−52-\dfrac52
E55

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