যদি a + b =2 এবং ab=1 হয় , তবে a এবং b এর মান যথাক্রমে -
A. 0,2
B. -1,3
C. 2, 1/3
D. 1,1
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সঠিক উত্তরঃ
D.
1,1
Explanation:
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