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Solve the following equations. (viii) (...

Solve the following equations.
(viii) `(log_10(x-3))/log_(10)(x^2-21)=1/2`

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The correct Answer is:
x=5
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ARIHANT MATHS ENGLISH-LOGARITHM AND THEIR PROPERTIES-Exercise (Subjective Type Questions)
  1. Solve the following equations. (vi) log3(log9x+1/2+9^x)=2x

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  2. Solve the following equations. (vii) 4^(log10x+1)-6^(log10x)-2.3^(lo...

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  3. Solve the following equations. (viii) (log10(x-3))/log(10)(x^2-21)=1/...

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  4. Solve the following equations. (ix) x^(log2x+4)=32

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  5. Solve the following equations. (x) logax=x, where a=x^(logax)

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  6. Solve the following equations. (xi) log(sqrt2sinx)(1+cosx)=2

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  7. A rational number which is 50 times its own logarithm to the base 10, ...

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  8. [2/log4(2000)^6+3/log5(2000)^6]

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  9. Find the value of x satisfying loga{1+logb{1+logc(1+logpx)}}=0.

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  10. The value of 4^(5log(4sqrt(2)(3-sqrt(6))-6log(8)(sqrt(3)-sqrt(2)))) is

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  11. Solve the following inequation . (iv) log(x^2)(x+2)lt1

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  12. Solve the following inequation . (ii) log(2x)(x^2-5x+6)lt1

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  13. Solve the following inequation . (iii) log(2)(2-x)ltlog(1//2)(x+1)

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  14. Solve the following inequation . (iv) log(x^2)(x+2)lt1

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  15. Solve the following inequation . (v) 3^(log3sqrt((x-1)))lt3^(log3(x-...

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  16. Solve the following inequation . (vi) log(1//2)(3x-1)^2ltlog(1//2)(x...

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  17. Solve the following inequation . (vii) log(10)x+2lelog10^2x

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  18. Solve the following inequation . (viii) log10(x^2-2x-2)le0

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  19. Solve the following inequation . (ix) logx(2x-3/4)gt2

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  20. Solve the following inequation: log(1//3)xltlog(1//2)x

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