নিচের কোনটি y -অক্ষের সমান্তরাল রেখা নির্দেশ করে-
A. x = 4
B. y = 4
C. x +y = 4
D. x -y = 4
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সঠিক উত্তরঃ
A.
x = 4
Explanation:
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