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Find the sum of the products of the ten ...

Find the sum of the products of the ten numbers `+-1,+-2,+-3,+-4,a n d+-5` taking two at a time.

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CENGAGE PUBLICATION-SEQUENCES AND SERIES-All Questions
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  3. Find the sum of the products of the ten numbers +-1,+-2,+-3,+-4,a n d+...

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  4. If a, b, c are in A.P., b, c, d are in G.P. and 1/c ,""1/d ,""1/e are ...

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  6. Find the sum to n terms of the sequence (x+1//x)^2,(x^2+1//x)^2,(x^3+1...

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  7. Write the first five terms of the following sequence and obtain the ...

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  9. If a(n+1)=1/(1-an) for n>=1 and a3=a1. then find the value of (a200...

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  10. Determine the number of terms in a G.P., if a1=3,an=96 ,a n dSn=189.

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  11. Let {an}(ngeq1) be a sequence such that a1=1,a n d3a(n+1)-3an=1 for a...

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  12. Let S be the sum, P the product, and R the sum of reciprocals of n ter...

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