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Which of the following numbers are posit...

Which of the following numbers are positive/negative? `(log)_2 7` (ii) `(log)_(0. 2)3` (iii) `(log)_(1//3)(1/5)` (iv) `(log)_4 3` (v) `(log)_2((log)_2 9)`

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1)`log_2^7` this term is positive
2)`log_0.2^3` this term is negative
3)`log_(1/3)^(1/5)` this term is positive
4)`log_4^3` this term is positive
5)`log_2^(log_2^9)` this term is positive.
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CENGAGE PUBLICATION-LOGARITHM-All Questions
  1. If In(a+c),ln(a-c),ln(a-2b+c) are in AdotPdot, then

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  2. Prove that number (log)2 7 is an irrational number.

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  3. Which of the following numbers are positive/negative? (log)2 7 (ii) (...

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  4. If (log)3 2,(log)3(2^x-5)a n d(log)3(2^x-7/2) are in arithmetic progre...

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  5. Solve x^((log)y x)=2 and y^((log)x y)=16

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  6. Solve (log)(2x)2+(log)4 2x=-3//2.

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  7. If ageqb >1, then find the largest possible value of the expression (l...

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  8. Solve : 3^((log9 x))xx2 = 3sqrt(3)

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  9. Solve the inequality sqrt((log)2((2x-3)/(x-1)))<1

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  10. Find the number of solutions of equation 2^x+3^x+4^x-5^x=0

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  11. If y=a^(1/(1-(log)a x)) and z=a^(1/(1-(log)a y)),then prove that x=a^...

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  12. Solve (log)x2(log)(2x)2=(log)(4x)2.

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  13. Let a , b , c , d be positive integers such that (log)a b=3/2a n d(log...

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  14. Solve sqrt("log"(-x))=logsqrt("x"^2) (base is 10).

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  15. If (log)3{5+4(log)3(x-1)}=2, then x is equal to

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  16. If (log)(10)[1/(2^x+x-1)]=x[(log)(10)5-1] , then x= 4 (b) 3 (c) 2 ...

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  17. The value of x satisfying the equation 3sqrt(5)^((log5) 5^(((log)5(l...

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  18. If 2^(x+y)=6^ya n d3^(x-1)=2^(y+1), then the value of (log3-log2)(x-y)...

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  19. The value of 3^((log)4 5)-5^((log)4 3) is

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  20. If a^4b^5=1 then the value of loga(a^5b^4) equals

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