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PATHFINDER-SAME SPECIAL SEQUENCE-QUESTION BANK
- Determine the number of terms in the A.P.3,7,11,......,407.Also find i...
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- In a certain A.P the 24th term is twice the 10th term. Prove that the...
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- The sum of three numbers in A.P is 12 and sum of their cubes is 288. F...
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- Find the sum first 24 terms of A.P. a1,a2,a3,..........., if it is kn...
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- If the P^(th)and q^(th)terms of an A.Pare a and b respectively,then sh...
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- If s1 be the sum of (2n+1) terms of an A.P and s2 be the sum its odd t...
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- The ratio if the sum of n terms of two A.P,s is (7n+1):(4n+27). Find t...
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- If a^2, b^2, c^2 are in A.P , then prove that 1/(b+c), 1/(c+a),1/(a+b)...
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- Find the sum of the following series 6+66+666+..........to n term
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- If the first and the n^("th") term of a G.P. are a and b, respectivel...
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- Find the equations of the lines, which cut-off intercepts on the axes ...
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- If S1, S2 and S3 be respectively the sum of n, 2n and 3n terms of a G....
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- If S be the sum. P be the product,and R the sum of the reciprocals of ...
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- If x = 1+a+a^2+..........oo where abs(a)lt1 and y=1+b+b^2+........oowh...
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- Prove that : (2^(1/4)cdot4^(1/8)cdot8^(1/16)cdot16^(1/32)......oo)=2
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- Find the value of n so that (a^(n+1)+b^(n+1))/(a^(n)+b^n) may be the ...
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- Insert 4 arithmetic mean between 5 and 20.
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- If n is a even number, find the sum of the series upto n terms1^2-2^2+...
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- Find the sum of the following series : 1+5+12+22+35+…. to n terms.
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- Sum the following series to n terms 5+7+13+31+85+.......
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