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If a, b, c are in A.P., p, q, r are in HP and ap, bq, cr are in GP, then `(P)/(r)+(r)/(P)` is equal to

A

`(a)/(c)-(c)/(a)`

B

`(a)/(c)+(c)/(a)`

C

`(b)/(q)+ (q)/(b)`

D

`(b)/(q)-(q)/(b).`

Text Solution

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The correct Answer is:
B
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER - 8-MATHEMATICS
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  4. The sum of n terms of the series 1^(2)-2^(2)+3^(2)-4^(2)+5^(2)-6^(2)...

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  5. If a, b, c are in GP and a + x, b + x, c + x are in HP, then the val...

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  8. A library has a copies of one Book, b copies of each of two books, c c...

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  9. If the 4^(th) term in the expansion of (ax+(1)/(x))^('') is 5/2 then t...

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  10. A matrix A satisfying the equation [{:(1 , 3 ) ,(0 , 1):}] A = [{:(1...

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  11. If A, B, C are invertible matrices, then (ABC)^(-1) is equal to

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  12. If a, b, c are different, then value of x satisfying the equation |{...

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  14. The equation of the line passing through the intersection of the lines...

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  15. If the angle between the two lines represented by 2x^(2)+5xy + 3y^(2) ...

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  16. The value of a for which the lines represented by ax^(2)+5xy +2y^(2) =...

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  17. The equation of the straight line which passes through the point (1, -...

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  18. The joint equation of the straight lines x + y = 1 and x - y = 4 is

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  19. The equation of the circle having radius 3 and touching the circle x^(...

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