mdtashrickhossain mdtashrickhossain
  • 24-02-2024
  • Mathematics
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a+b=x, a^2+b^2=y
খ) যদি x=2, y=4 হয় তবে a^3+b^3-7(a+b)^2 এর মান কত।
গ) একটি ধনাত্মক সংখ্যার বর্গ ঐ সংখ্যার পাঁচগুণ হতে ১ কম হলে, প্রমাণ কর যে, x^5 + 1÷ x^5 = 2525

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