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#5860 Bangla Language & Literature General Level 32038

<p>a<sup>m</sup> .a<sup>n </sup>= 2a<sup>(m+n)</sup> কখন হবে?</p>

  1. A m ও n ধনাত্বক হলে
  2. B m ধনাত্বক ও n ঋনাত্বক হলে
  3. C m ধনাত্বক হলে
  4. D n ধনাত্বক হলে
Answer: A - m ও n ধনাত্বক হলে

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