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If a, b, c are in A.P., then show that ...

If a, b, c are in A.P., then show that (i) `b + c – a, c + a – b, a + b – c` are in A.P.

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MOTION-SEQUENCE & SERIES -Exercise -3 Subjective /JEE Advanced
  1. Find the sum of all those integers between 100 and 800 each of which o...

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  2. The sum of three numbers in A.P. is 27, and their product is 504, find...

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  3. If a, b, c are in A.P., then show that (i) b + c – a, c + a – b, a + ...

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  4. In an AP of which 'a' is the Ist term, if the sum of the Ist p terms i...

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  5. .2 (a) If pth, qth, rth term of an A.P. are a, b, c respectively, show...

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  6. If the continued product of three numbers in G.P. is 216 and the sum o...

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  7. If the pth, qth, rth terms of a G. P. be a, b, c respectively, prove t...

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  8. Find the sum in the nth group of sequence, (I 1,(2,3),(4,5,6,7),(8,9...

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  9. Circles are inscribed in the acute angle alpha so that every neighbour...

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  10. If the first 3 consecutive terms of a geometrical progression are the ...

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  11. The sum of three numbers which are consecutive terms of an A.P. is 21....

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  12. The sum of infinite number of terms of a G.P. is 4 and the sum of thei...

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  13. Sum of the following series (i) 1+(2)/(2)+(3)/(2^2)+(4)/(2^3)+……..to...

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  14. The sum of first ten terms of an A.P. is 155 and the sum of first two ...

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  15. In a set of four number, the first three are in GP & the last three ar...

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  16. Find the 4^(th) term of an H.P., whose 7^(th) term is 1/20 and 13^(th)...

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  17. Find the sum of the n terms of the series whose nth term is (i) n(n+...

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  18. Find the sum of the series (5)/(13)+(55)/(13)^2+(555)/(13)^2+(5555)/((...

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  19. If the expression exp {1+|cosx|+cos^(3)x|+cos^(4)x+ . . . . oo)log(e...

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  20. The sum of the infinite series , 1^2- 2^2 / 5+ 3^2 / 5^2 - 4^2 / 5^3 +...

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