The 2 nd,31st and last terms of an A.P.a...

The 2 nd,31st and last terms of an A.P.are `7 3/4, 1/2` and `-6 1/2` respectively. find the first term and the number of terms

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MODERN PUBLICATION-SEQUENCES AND SERIES-EXERCISE 9 (a) LATQ

Find the terms indicated in each case: (i) a(n)=4n-3,a(17),a(24) ...
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Find the terms (s) indicated in each case: (i) t(n)=t(n-1)+3(ngt1),t...
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Write the first five terms of the sequence and obtain the correspondi...
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Write the first six terms of each of following sequences, (i) a(1)=-...
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The sequence a(n)is defined by: a(n)=(n-1)(n-2)(n-3). Show that th...
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a. Find the 21 st and 42 nd terms of the sequence defined by: t(n)=...
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If a0=1,a1=3 and an^2 -a(n-1)*a(n+1)=(-1)^n. Find a3.
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Consider the sequence defined by t(n)=an^(2)+bn+c If t(2)=3,t(4)=13 an...
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The third term of an A.P. is 25 and the tenth term is -3. find the fir...
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(i) The 3rd term of an A.P. is 1 and 6 th term is -11. Determine its ...
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The mth term of an A.P. is (1)/(n) and nth term is (1)/(m). Its (mn)th...
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The fourth term of an A.P. is equal to 3 times the first term and seve...
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The 2 nd,31st and last terms of an A.P.are 7 3/4, 1/2 and -6 1/2 respe...
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(i) The pth term of an A.P. is q the 1th term is p, show that rth ter...
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If pth term of an A.P. is c and the qth term is d, what is the rth ter...
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For the A.P., a(1),a(2),a(3),…………… if (a(4))/(a(7))=2/3, find (a(6))/(...
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If a1,a2,a3, ,an are an A.P. of non-zero terms, prove that 1/(a1a2)+...
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If a(1),a-(2),a(3),………….a(n) are in A.P. with common differecne d, pro...
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A man serves Rs. 320 in the month of January Rs. 360 in the month of F...
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If m times the m^(t h) term of an A.P. is equal to n times its n^(t h)...
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