यदि $\log _{2}\left(9^{x-1}+7\right)-\log _{2}\left(3^{x-1}+1\right)=2$ है,तो $x$ के मान हैं

  • A
    $0, 2$
  • B
    $0, 1$
  • C
    $1, 4$
  • D
    $1, 2$

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$\left(\frac{1}{\log _{3} 12}+\frac{1}{\log _{4} 12}\right)$ का मान क्या है?

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$\log _{3}4 \cdot \log _{4}5 \cdot \log _{5}6 \cdot \log _{6}7 \cdot \log _{7}8 \cdot \log _{8}9$ का मान है

$6+\log_{\frac{3}{2}}\left(\frac{1}{3\sqrt{2}}\sqrt{4-\frac{1}{3\sqrt{2}}\sqrt{4-\frac{1}{3\sqrt{2}}\sqrt{4-\frac{1}{3\sqrt{2}}\dots}}}\right)$ का मान है

यदि $\log_{10} 2 = 0.30103$ और $\log_{10} 3 = 0.47712$ है,तो $3^{12} \times 2^8$ में अंकों की संख्या है:

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