Question
Download Solution PDF703 + 203 - 903 -এর মান নির্ণয় করুন।
Answer (Detailed Solution Below)
Detailed Solution
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আমরা জানি, a3 + b3 + c3 = 3abc হয়, যদি a + b + c = 0 হয়
703 + 203- 903
= 703 + 203 + (- 90)3
= 3 × 70 × 20 × (- 90) [∵ 70 + 20 + (- 90) = 0]
= - 378000
∴ প্রদত্ত রাশিমালার মান হল - 378000
Alternate Method
প্রদত্ত:
প্রদত্ত রাশিমালাটি হল = 703 + 203- 903
গণনা:
703 + 203- 903
= 343000 + 8000 - 729000
= 351000 - 729000
= - 378000
∴ প্রদত্ত রাশিমালাটির মান হল - 378000
Last updated on Jul 21, 2025
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