\((\frac{x}{2})a + 1 = 1\) হলে a -এর মান কত ?
A 0
B 2
C 1
D - 1
Correct Answer: Option D
\((\frac{x}{2})a + 1 = 1\) বা, \((\frac{x}{2})a + 1 = (\frac{x}{2})0\) বা, a+1 = 0 a = -1
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