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MODERN PUBLICATION-SEQUENCES AND SERIES-CHAPTER TEST
- The sum of three numbers in A.P. is -3, and their product is 8. Find t...
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- If in an A.P., the pth term is q\ a n d\ (p+q)^(t h) term is zero then...
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- 11^(3)+12^(3)+13^(3)+………….+20^(3) is
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- If a(n)={(1+(-1)^(n))/23^(n)} then a(7)=……………………
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- Prove that 9^(1//3)xx9^(1//9)xx9^(1//27)xx...oo=3.
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- If A is the A.M. between a and b, then find (A-a)^(2)+(A-b)^(2).
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- 32. Show that the sum of (m+n)^(th) and (m-n)^(th) terms of an A.P. is...
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- If p th term of an A.P. is 1/q and q th term is 1/p prove that the sum...
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- Show that the ratio of the sum of first n terms of a G.P. to the sum o...
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- Prove that: 2^(1/4).4^(1/8), 8^(1/16). 16^(1/32)......... oo=2.
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- (1^3)/1+(1^3+2^3)/(1+3)+(1^3+2^3+3^3)/(1+3+5)+...... upto nth term
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- if the pth term of an A.P. is x and qth term is y, show tht the sum of...
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- Find the sum of 50 terms of the sequence: 7,7.7,7.77,7.777……..,
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