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CENGAGE ENGLISH-SEQUENCES AND SERIES-All Questions
- Find the sum of the following series to n terms 5+7+13+31+85+
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- Find the sum to n terms of the series 1//(1xx2)+1//(2xx3)+1//(3xx4)++1...
05:05
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- If sum(r=1)^n Tr=(3^n-1), then find the sum of sum(r=1)^n1/(Tr) .
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- Find the sum to n terms of the series 3+15+35+63+
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- Sum of n terms the series : 1^2-2^2+3^2-4^2+5^2-6^2+....
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- If sum(r=1)^n Tr=n(2n^2+9n+13), then find the sum sum(r=1)^nsqrt(Tr)do...
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- Find the sum of the series 31^3+32^3++50^3dot
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- Find the sum of n terms of the series 1^3+3.2^2+3^3+3.4^2+5^3+3.6^2+.....
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- Find the sum of the series 1xxn+2(n-1)+3xx(n-2)++(n-1)xx2+nxx1.
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- Find the sum of the series (1^3)/1+(1^3+2^3)/(1+3)+(1^3+2^3+3^3)/(1+3+...
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- If a ,b ,c are in A.P., then prove that the following are also in A.P....
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- If a ,b ,c are in A.P., then prove that the following are also in A.P....
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- If a ,b ,c are in A.P., then prove that the following are also in A.P....
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- The Fibonacci sequence is defined by 1=a1=a2 and an=a(n-1)+a(n-2,)n > ...
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- Consider the sequence defined by an=a n^2+b n+cdot If a1=1,a2=5,a n d...
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- Show that the sequence 9, 12, 15, 18, ... is an A.P. Find its 16th ...
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- A sequence of integers a1+a2+......+an satisfies a(n+2)=a(n+1)-an for...
09:45
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- Write down the sequence whose nth term is 2^n//n and (ii) [3+(-1)^n]/...
03:28
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- Write the first three terms of the sequence defined by a1= 2,a(n+1)=(2...
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- Find the sequence of the numbers defined by an={1/n , when n is odd...
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