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Three numbers a,b and c are in the A.P if

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Let z_(1),z_(2) " and " z_(3) be three complex numbers in AP. bb"Statement-1" Points representing z_(1),z_(2) " and " z_(3) are collinear bb"Statement-2" Three numbers a,b and c are in AP, if b-a=c-b

If three positive numbers a,b and c are in AP, GP and HP as well, than find their values.

The digits of a positive integer, having three digits, are in A.P. and their sum is 15. The number obtained by reversing the digits is 594 less than the original number. Find the number.

If a,b,c are in A.P. then :

Let the positive numbers a, b, c, d be in A.P. Then abc, abd, acd, bcd are:

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JBD PUBLICATION-SEQUENCES AND SERIES-EXAMPLE
  1. Three numbers a,b and c are in the A.P if

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  2. Insert five numbers between 8 and 26 such that the resulting sequence ...

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  3. Find the indicated terms of the sequences given below whose nth terms ...

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  4. Find the indicated terms of the sequences given below whose nth terms ...

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  5. First term of a sequence is 1 and the (n+1)th term is obtained by addi...

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  6. Show that the sequence whose n^(th) term is 2n^2 + n + 1 is not an A....

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  7. Determine k so that k+2, 4k-6 and 3k-2 are three consecutive terms of...

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  8. Show that the sum of (m+n)^(th) and (m -n)^(th) terms of an A.P. is eq...

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  9. Find the sum of all two digit numbers which when divided by 4, yields ...

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  10. If the lengths of the sides of a right angled triangle are in A.P., th...

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  11. Which term of the following sequence:- sqrt3,3,3sqrt3,....is 729?

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  12. Find the 10th term of a G.P. whose 8th term is 192 and the common rati...

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  13. The 5th, 8th and 11th terms of a G.P. are p, q and x, respectively. Sh...

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  14. If the 4th, 10th and 16th terms of a G.P. are x, y and z, respectively...

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  15. If A.M. and G.M of roots of a quadratic equations are 6 and 5 respecti...

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  16. Prove that 1/3^2xx1/3^4xx1/3^8............=3

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  17. Prove that 1/4^3xx1/4^9xx1/4^(27)……………..=8

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  18. Find the sum of n terms of the series whose nth term is given by n^2+2...

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  19. A man starts repaying a loan as first instalment of Rs. 100. If he inc...

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  20. Find the sum of first n terms of an A.P. whose nth term is 3n+1.

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  21. If 3rd term of a G.P. is 324 and 7th term is 64, then find the 10th te...

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