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Sequence {tn} of positive terms is a G.P...

Sequence `{t_n}` of positive terms is a G.P If `t_6 2, 5, t_14` form another G.P in that order then the product `t_1 t_2 t_3........t_18 t_19` is equal to

A

190

B

`10^(10)`

C

`10^((19)/(2))`

D

`10^(9)`

Text Solution

Verified by Experts

The correct Answer is:
C
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FIITJEE-MATHEMATICS TIPS-ASSIGNMENT -OBJECTIVE
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  16. If H(1),H(2)…H(4) be (n-1) harmonic means between a and b, then (H(1)+...

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  18. If Sn=1/1^3 +(1+2)/(1^3+2^3)+...+(1+2+3+...+n)/(1^3+2^3+3^3+...+n^3) T...

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  20. If alphaa n dbeta are the roots of x^2-a(x-1)+b=0 then find the value ...

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