$(2.3+1.7)^{2}-(2.3-1.7)^{2}$ का मान क्या है?

  • A
    $15.64$
  • B
    $4.45$
  • C
    $7.82$
  • D
    $6.62$

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$\frac{(2.3)^{3}-0.027}{(2.3)^{2}+0.69+0.09}$ का मान है

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$6 \frac{1}{7} + 15 \frac{2}{3} + 11 \frac{1}{6} = 33 \frac{1}{21} - ?$

यदि $x^{2} - 1.5^{2} - 0.9^{2} = 2.43$ है,तो $x$ का मान क्या है?

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