2x + 3y = 1 এবং 5x - 2y + 7 = 0 সমীকরণদ্বয়ের সমাধান কত?
A. (1, 1)
B. (3, 4)
C. (-1, 1)
D. (2, -1)
সঠিক উত্তরঃ
C.
(-1, 1)
Explanation:
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