Easy
1 point
ID: #26569
Question
যদি x+2y = 4, এবং xy = 2 তাহলে x=?
Options
1
1
Correct Answer
2
2
Correct Answer
3
0
Correct Answer
4
12
Correct Answer
Explanation
দেওয়া আছে xy=2, বা y=2/x. মান বসিয়ে, x + 2(2/x) = 4 => x + 4/x = 4 => x² - 4x + 4 = 0 => (x-2)² = 0 => x = 2.
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Type
Single Choice
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