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If x^(a)=x^(b//2)z^(b//2)=z^(c), then a,...

If `x^(a)=x^(b//2)z^(b//2)=z^(c)`, then a,b,c are in

A

A.P.

B

G.P.

C

H.P.

D

none of these

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The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-SEQUENCES AND SERIES-Exercise
  1. a, b, c are sides of a triangle and a, b, c are in GP If log a- log ...

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  2. about to only mathematics

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  3. If x^(a)=x^(b//2)z^(b//2)=z^(c), then a,b,c are in

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  4. A G.P. consists of an even number of terms. If the sum of all the t...

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  5. The interior angles of a polygon are in A.P. the smallest angle is 120...

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  6. For what value of b, will the roots of the equation cos x=b, -1legle1 ...

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  7. about to only mathematics

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  8. Find the sum of the series 1+(4)/(5)+(7)/(5^(2))+(10)/(5^(3))+"....." ...

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  9. about to only mathematics

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  10. the determinant |{:(a,,b,,aalpha+b),(b,,c,,balpha+c),(aalpha+b,,balpha...

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  11. Find the sum 1+(1+2)+(1+2+2^(2))+(1+2+2^(2)+2^(3))+ …. To n terms.

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  12. If a,b,c are in H.P., then the value of ((1)/(b)+(1)/(c)-(1)/(a))((1...

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  13. The 5th term of the series (10)/(9),(1)/(3)sqrt((20)/(3)),(2)/(3),… is

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  14. If x^(18)=y^(21)=z^(28), then 3,3 log(y)x,3log(z)y,7log(x)z are in

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  15. If d,e,f are G.P. and the two quadratic equations ax^(2)+2bx+c=0andd...

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  16. The sum of n terms of the following series 1+(1+x)+(1+x+x^2)+.... will...

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  17. For a sequence {a(n)}, a(1) = 2 and (a(n+1))/(a(n)) = 1/3, Then unders...

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  18. In an arithmetic sequence a(1),a(2),a(3), . . . . .,a(n), Delta=|{:(...

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  19. Prove that {:((666 ….6)^2+(888….8)=4444…..4),(" ""n digits " " ...

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  20. Thr ciefficient of x^(n-2) in the polynomial (x-1)(x-2)(x-3)"…."(x-n),...

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