Easy
1 point
ID: #28661
Question
x - y = 3 হলে x³ - y³ - 9xy এর মান -
Options
1
27
Correct Answer
2
18
Correct Answer
3
9
Correct Answer
4
6
Correct Answer
Explanation
x³ - y³ - 9xy = (x-y)³ + 3xy(x-y) - 9xy = 3³ + 3xy(3) - 9xy = 27 + 9xy - 9xy = 27।
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