Easy
1 point
ID: #28554
Question
x = √5 + √4 হলে x² + (1/x²) এর মান কত?
Options
1
36
Correct Answer
2
27
Correct Answer
3
18
Correct Answer
4
9
Correct Answer
Explanation
x = √5+√4 হলে 1/x = √5-√4। x+1/x = 2√5। রাশিটি (x+1/x)^2 - 2 = (2√5)^2 - 2 = 20 - 2 = 18।
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Type
Single Choice
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