Easy
1 point
ID: #27825
Question
√m + 1/√m = 2 হলে, √m - 1/√m = কত?
Options
1
0
Correct Answer
2
√2
Correct Answer
3
2
Correct Answer
4
4
Correct Answer
Explanation
আমরা জানি, (a-b)² = (a+b)² - 4ab
(√m - 1/√m)² = (2)² - 4(√m)(1/√m) = 4 - 4 = 0
সুতরাং, √m - 1/√m = 0
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Type
Single Choice
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