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The value of 5^(sqrtlog5 7)-7^sqrt(log7 ...

The value of `5^(sqrtlog_5 7)-7^sqrt(log_7 5)` is

A

`"log"2`

B

1

C

0

D

none of these

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The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-LOGARITHMS-Exercise
  1. Find the value of 7 log(16/15) + 5 log (25/24) + 3 log (81/80).

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  2. The value of ("log" 49 sqrt(7) + "log" 25sqrt(5) - "log" 4sqrt(2))/("...

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  3. The value of 5^(sqrtlog5 7)-7^sqrt(log7 5) is

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  4. The value of 2^("log"(3)7) - 7^("log"(3)2) is

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  5. The value of (3+ "log" 343)/(2 + (1)/(2)"log" ((49)/(4)) + (1)/(3) "lo...

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  6. STATEMENT-1 : Number of solution of log |x| = theta^(x) is two and ...

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  7. if a^2+4b^2=12ab, then log(a+2b)

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  8. If 9a^2 + 4b^2 = 18ab, then log (3a + 2b) =

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  9. The value of "log"(5) (1+ (1)/(5)) + "log"(5) (1+(1)/(6)) + "log"(5...

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  10. If log(x-y)-log5-1/2logx-1/2logy=0 then x/y+y/x is equal to

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  11. If 2^("log"(10) 3sqrt(3)) = 3^(k"log"(10)2), then k =

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  12. If log10 343 = 2.5353 then the least positive integer 'n' such that 7^...

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  13. If "log"(10) 2 = 0.3010, "then log"(5) 64=

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  14. The value 'x' satisfying the equation, 4^(log(9)3)+9^(log(2)4)=10^(log...

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  15. Find the value of 3^((4)/(log(2)9))+27^((1)/(log(49)9))+81^((1)/(log(4...

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  16. The value of "log"(sqrt(2)) sqrt(2sqrt(2sqrt(2sqrt(2)))), is

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  17. The value of a^(("log"(b)("log"(b)x))/("log"(b) a)), is

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  18. The value of ("log"(a)("log"(b)a))/("log"(b)("log"(a)b)), is

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  19. If "log"(2)x + "log"(4)x + "log"(16)x = (21)/(4), then x equals to

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  20. If "log"(10){98 + sqrt(x^(2) -12x + 36)}=2, then x =

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