MCQ
${ }^{61} C_{57}-{ }^{60} C_{56}$ का मान है।
  • A
    ${ }^{61} \mathrm{C}_{58}$
  • ${ }^{60} \mathrm{C}_{57}$
  • C
    ${ }^{60} \mathrm{C}_{58}$
  • D
    ${ }^{60} \mathrm{C}_{56}$

Answer

Correct option: B.
${ }^{60} \mathrm{C}_{57}$
(B) ${ }^{60} C_{57}$

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