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If a^2,b^2,c^2 are in A.P., then prove t...

If `a^2,b^2,c^2` are in A.P., then prove that the following are also in A.P. Prove 1/(b+c),1/(c+a),1/(a+b)`

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If a ,b ,c are in A.P., then prove that the following are also in A.P. a(1/b+1/c),b(1/c+1/a),c(1/a+1/b)

If a,b,c are in A.P. prove that the following are also in A.P. (1)/(bc), (1)/(ca) , (1)/(ab)

If a,b,c are in A.P. prove that the following are also in A.P. b+c, c+a, a+b

If a ,b ,c are in A.P., prove that the following are also in A.P. (i) 1/(b c),1/(c a),1/(a b), (ii) b+c ,c+a ,a+b (iii) a(1/b+1/c),b(1/c+1/a),c(1/a+1/b) (iv) a^2(b+c),b^2(c+a),c^2(a+b) (v) 1/(sqrt(b)+sqrt(c)),1/(sqrt(c)+sqrt(a)),1/(sqrt(a)+sqrt(b))

If a ,b ,c are in A.P., then prove that the following are also in A.P. a^2(b+c),b^2(c+a),c^2(a+b)

If a^(2),b^(2),c^(2) are in A.P.,then which of the following is also in A.P.?

If a ,b ,c are in A.P., then prove that the following are also in A.P. 1/(sqrt(b)+sqrt(c)),1/(sqrt(c)+sqrt(a)),1/(sqrt(a)+sqrt(b))

If a,b,c are in A.P., then prove that the following are also in A.P (i) a^(2)(b+c),b^(2)(c+a),c^(2)(a+b) ltbr gt(ii) 1/(sqrtb+sqrtc),1/(sqrtc+sqrta),1/(sqrta+sqrtb) (iii) a(1/b+1/c),b(1/c+1/a),c(1/a+1/b)

If a^2, b^2,c^2 are in A.P., then prove that tanA ,tanB ,tanC are in H.P.

If a,b,c are in A.P. prove that the following are also in A.P. (a(b+c))/(bc) , (b(c+a))/(ca) , (c(a+b))/(ab)

RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. If (b-c)^2,(c-a)^2,(a-b)^2 are in A.P., then prove that 1/(b-c),1/(c-a...

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  2. If a ,b ,c are in A.P., prove that 1/(b c),1/(c a),1/(a b), is al...

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  3. If a^2,b^2,c^2 are in A.P., then prove that the following are also in ...

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  4. Two cars start together in the same direction from the same place. The...

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  5. Find an A.P. in which the sum of any number of terms is always three ...

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  6. If log2,log(2^x-1),log(2^x+3) are in A.P., write the value of xdot

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  7. The sums of first n terms of two A.P. ' s are in hte ratio (7n+2):(n+4...

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  8. Give first 3 terms of the sequence defined by an=n/(n^2+1)dot

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  9. Find the first four terms of the sequence whose first term is 1 and ...

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  10. 1,4,7,10,is an A.P. whose first term is 1 and the common difference is...

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  11. 11, 7, 3, -1 is an A.P. whose first term is 11 and the common diffe...

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  12. The nth term of a sequence is 3n-2 is the sequence an A.P.? If so, fin...

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  13. If the nth term an\ of a sequence is given by an=n^2-n+1 write down i...

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  14. A sequence is defined by an=n^3-6n^2+11 n-6. Show that the first three...

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  15. Find the first four terms of the sequence defined by a1=3\ a n d\ an=3...

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  16. Write the first five terms in each of the following sequence: a1=1,\ a...

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  17. Write the first five terms in each of the following sequence: a1=1=\ a...

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  18. Write the first five terms in each of the following sequence: a1=a2=2,...

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  19. The Fibonacci sequence is defined by a1=1=a2,\ an=a(n-1)+a(n-2) for n ...

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  20. Show that each of the following sequences is an A.P. Also, find the ...

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