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In an A.P., (S(p))/(S(q)) = (p^(2))/(q^(...

In an A.P., `(S_(p))/(S_(q)) = (p^(2))/(q^(2)), p ne q`, then `(T_(6))/(T_(21))` is equal to

A

`(7)/(2)`

B

`(2)/(7)`

C

`(11)/(41)`

D

`(41)/(11)`

Text Solution

Verified by Experts

The correct Answer is:
C
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ML KHANNA-PROGRESSIONS -PROBLEM SET - 2 (MULTIPLE CHOICE QUESTIONS)
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  11. If S(lambda) = sum(r = 0)^(oo) (1)/(lambda^(r)),"then" sum(lambda = 1)...

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  13. If a,b,c are in A.P. as well as in G.P. then

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  14. If a,b,c are in G.P., then show that : a(b^2+c^2)=c(a^2+b^2)

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  15. If x, y ,z are in G.P. and a^x = b^y = c^z , then :

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  18. If (a + be^(x))/(a-be^(x)) = (b + ce^(x))/(b-ce^(x)) = (c+de^(x))/(c -...

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  19. If a,b,c are in A.P., a,x,b are in G.P. and b,y,c are in G.P. then a^(...

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  20. If x, y, z are in G.P. and tan^(-1) x, tan^(-1)y and tan^(-1)z are in ...

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