Easy
1 point
ID: #25319
Question
a + b = c হলে a³ + b³ + 3abc = কত?
Options
1
a³
Correct Answer
2
b³
Correct Answer
3
c³
Correct Answer
4
a²-b²
Correct Answer
Explanation
প্রদত্ত রাশি = a³ + b³ + 3abc
= (a + b)³ - 3ab(a + b) + 3abc
মান বসিয়ে পাই, (c)³ - 3ab(c) + 3abc
= c³ - 3abc + 3abc
= c³।
Actions
Type
Single Choice
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