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Q_ यदि a + b = 7 तथा ab = 12 हो, तो (a² + b²) = ? Anonymous | Daily Current Affairs , GK , GS

Q_ यदि a + b = 7 तथा ab = 12 हो, तो (a² + b²) = ?
Anonymous Quiz
20%
49
39%
35
9%
42
32%
25