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For positive real numbers a (a>1) let pa...

For positive real numbers `a (a>1)` let `p_a and q_a`, be the maximum and minimum values of `log_a(x)`, for `alt=xlt=2a` and if `p_a-q_a=1/2` then the value of a is not greater than

A

3

B

4

C

5

D

6

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RESONANCE ENGLISH-DPP-QUESTION
  1. The vlaue of (81^((1)/(log(5)9))+3^((3)/(log(sqrt(6))3)))/(409)((sqrt(...

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  2. The number of roots of the equation log(3sqrtx)x + log(3x) sqrtx = 0 ...

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  3. For positive real numbers a (a>1) let pa and qa, be the maximum and mi...

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  4. Let a >2 be a constant. If there are just 18 positive integers satisfy...

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  5. If p,q in N" satisfy the equation "x^(sqrtx) = (sqrtx)^(x), then

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  6. Which is/are true ? (A) log(0.2)3lt log(2)3 (B) log(sqrt(5))10ltlog (...

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  7. The solution of the equation 7^(logx)-5^(logx+1)=3*5^(logx-1)-13*7 ^(l...

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  8. Solve ((1)/(2))^(logx^(2))+2gt3.2^(log(-x))

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  9. The values of x satisfying 2log((1)/(4))(x+5)gt(9)/(4)log((1)/(3sqrt(3...

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  10. If a and b are positive integers such that a^(2)-b^(4)=2009, then a+b^...

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  11. Find number of integral solutionlog(x+3)(x^(2)-x)lt1

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  12. Suppose xy-5x+2y=30, where x and y are positive integers. Find the num...

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  13. Solve : (i)" "((x-1)\(x-2)(x-3))/((x+1)(x+2)(x+3))" "(ii) " "(x^(4)+x...

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  14. If alpha,beta be the roots of the equation (x-a)(x-b)+c=0(c!=0), then ...

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  15. If sum(r=0)^(n-1)log(2)((r+2)/(r+1)) =prod(r=10)^(99)log(r) (r+1), the...

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  16. Solve for x: log(2)x le 2/(log(2)x-1)

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  17. Solve the in equality log(1/4) (2-x)>log(1/4) (2/(x+1)).

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  18. Given that log(a^(2))(a^(2)+1)=16 find the value of log(a^(32))"("a+1/...

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  19. If (3log(10)x+19)/(3log(10)x-1)=2 log(10)x+1, find solution of equatio...

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  20. Prove that there exist no natural numbers, m and n such that m^(2)=n^(...

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