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NCERT ENGLISH-SEQUENCES AND SERIES-SOLVED EXAMPLES
- Let the sequence anbe defined as follows : a1=1,an=a(n-1)+2for ngeq2. ...
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- The income of a person is Rs. 3, 00,000, m the first year and he rece...
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- Find the sum of first n terms of the following series:5+11+19+29+41+ ...
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- If A.M. and GM. of two positive numbers a and b are 10 and 8, respect...
02:34
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- How many terms of the G.P. 3, 3/2,3/4,dotdotdotare needed to give the...
03:02
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- Find the sum of first n terms and the sum of first 5 terms of the geo...
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- In a GP the 3rd term is 24 and the 6th term is 192. Find the 10th t...
02:22
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- Which term of the G.P., 2, 8, 32, . . . up to n terms in 131072?
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- Insert three numbers between 1 and 256 so that the resulting sequence...
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- A person has 2 parents, 4 grandparents, 8 great grand parents, and so ...
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- Find the sum of the sequence 7, 77, 777, 7777, . . . to n terms.
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- The sum of first three terms of a G.P. is (13)/(12)and their product ...
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- If p, q, r are in G.P. and the equations, p x^2+2q x+r=0and dx^2+2e x...
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- If a, b, c are in G.P. and a^(1/x)=b^(1/y)=c^(1/z),prove that x, y, z...
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- If a, b, c, d and p are different real numbers such that (a^2+b^2+c^2...
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- Find the sum of n terms of the series whose nth term is: n(n+3)
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- If p^(t h),\ q^(t h),\ r^(t h)a n d\ s^(t h) terms of an A.P. are in G...
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- If the sum of n terms of an A.P. is n P +1/2n(n-1)Q ,where P and Q ar...
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- The sum of n terms of two arithmetic progressions are in the ratio (3n...
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