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If p ,q ,a n dr are in A.P., then which ...

If `p ,q ,a n dr` are in A.P., then which of the following is/are true? pth, qth, and rth terms of A.P. are in A.P. pth, qth, rth terms of G.P. are in G.P. pth, qth, rth terms of H.P., are in H.P. none of these

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CENGAGE ENGLISH-SEQUENCES AND SERIES-All Questions
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  7. Q. Let n be an add integer if sin ntheta = sum(r=0)^n(br)sin^rtheta, f...

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  8. Match the statements/expressions given in Column 1 with the values ...

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  9. Let Sn=sum(k=1)^(4n)(-1)(k(k+1))/2k^2dot Then Sn can take value (s) 10...

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