$[(5 \sqrt{7}+\sqrt{7}) \times (4 \sqrt{7}+8 \sqrt{7})]-(19)^{2} = ?$

  • A
    $143$
  • B
    $72 \sqrt{7}$
  • C
    $134$
  • D
    $70 \sqrt{7}$

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Similar Questions

$\sqrt{10} \times \sqrt{15} = ?$

$104976$ का वर्गमूल ज्ञात कीजिए।

$x$ के किस मान के लिए कथन $\left(\frac{x}{15}\right)\left(\frac{x}{135}\right)=1$ सत्य है?

यदि $\frac{5+2 \sqrt{3}}{7+4 \sqrt{3}}=a+b \sqrt{3}$ है,तो

$\sqrt{\frac{0.16}{0.4}}$ का मान क्या है?

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