If the sum of n terms of an A.P. is 3n^2...

If the sum of `n` terms of an A.P. is `3n^2+5n` and its mth term is 164, find the value of `mdot`

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If the sum of n terms of an A.P. is 3n^2+5 and its m^(t h) term is 164, find the value of m.

of math and n'h term is (2 - 1): (2n - 1).If the sum of n terms of an A.P. is 3n? + 5n and its meh term is 164, find the valueof m... 5 – so als Tildara,Insert five numbers between 8 and 26 such that the resulting sequence is an A.P.

If the sum of n terms of an A.P. is 2n^(2)+5n , then its n^(th) term

The sum of first n terms of an A.P. is 5n^2+3n If its mth term is 168, (i) Find the value of m (ii) Find the 20th term of this AP

If the sum of n terms of an A.P. is 2n^2+3n then write its nth term.

The sum of n terms of an A.P. is 4n^(2) + 5n. Find the series.

If the sum of first n terms of an A.P. is 3n^2 + 2n , find its r^(th) term.

If the sum of 8 terms of an A.P. is 64 and the sum of 19 terms is 361, find the sum of n terms.

The sum of first m terms of an A.P. is 4m^2-m . If its n t h term is 107, find the value of n . Also, find the 21 s t term of this A.P.

RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions

The sum of the first four terms of an A.P. is 56. The sum of the last ...
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If the sum of n terms of an A.P. is (p n+q n^2) , where p and q are...
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If the sum of n terms of an A.P. is 3n^2+5n and its mth term is 164, f...
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Find the sum of n terms of the sequence (an),w h e r e an=5-6n ,n in ...
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If the m^(t h) term of an A.P. is 1/n a n d\ t h e\ n^(t h)t e r m\ i ...
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How many terms of the series 54,51, 48,.. be taken so that their sum i...
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solve: 1 + 6 + 11 + 16 +.........+ x = 148
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The sum of the first p , q , r terms of an A.P. are a , b , c respecti...
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If the sum of first m terms of an A.P. is the same as the sum of its f...
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The ratio of the sum of m and n terms of an A.P. is m^2: n^2dot Show t...
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The interior angles of a polygon are in A.P. the smallest angle is 120...
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Prove that a sequence in an A.P., if the sum of its n terms is of the...
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If the first term of an A.P. is 2 and the sum of first five terms is ...
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The sum of n terms of two arithmetic progressions are in the ratio (3n...
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Let Sk be the sum of first k terms of an A.P. What must this progressi...
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Find the sum of the following arithmetic progression: 50,46,42,… upto ...
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Find the sum of the following series : (i) 1,3,5,7...upto 12 terms.
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Find the sum of the following arithmetic progression: 3,9/2,6,15/2,…...
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Find the sum of the following arithmetic progression: 41,36,31,…….to 1...
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Find the sum of the following arithmetic progression: a+b ,\ a-b ,\...
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