यदि $\frac{\log x}{b-c}=\frac{\log y}{c-a}=\frac{\log z}{a-b}$ है,तो $x^{b+c} \cdot y^{c+a} \cdot z^{a+b}$ का मान क्या होगा?

  • A
    $1$
  • B
    $2$
  • C
    $0$
  • D
    $-1$

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$e^{\left(\sec h^{-1} \frac{1}{2}+\tan h^{-1} \frac{1}{2}+\sin h^{-1} \frac{1}{2}\right)}=$

यदि $a, b, c$ भिन्न धनात्मक संख्याएँ हैं,जिनमें से प्रत्येक $1$ से अलग है,इस प्रकार कि $[(\log _b a)(\log _c a) - (\log _a a)] + [(\log _a b)(\log _c b) - (\log _b b)] + [(\log _a c)(\log _b c) - (\log _c c)] = 0$,तो $abc =$

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$\text{यदि } \log _{0.2}(x-1) > \log _{0.04}(x+5), \text{ तो }$

यदि $x+\log _{10}\left(1+2^{x}\right)=x \log _{10} 5+\log _{10} 6$ है, तो $x$ का मान ज्ञात कीजिए।

यदि $\log _{10} x + \log _{10} y = 2$ है,तो $(x + y)$ का न्यूनतम संभव मान क्या है?

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