Problem: x এর মান বের করুনঃ $\frac{1}{^{x-\frac{x}{1-x}}}$=$\frac{1}{2}$
View all: BANGLADESH BANK BANKERS | WRITTEN QUESTION (MATH) SOLVE | 1988
Correct Answer: উত্তরঃ নির্ণয় মান 0.
Explanation:
=>$\frac{1}{^{x-\frac{x}{1-x}}}$=$\frac{1}{2}$
=>$\frac{1}{\frac{2-2x-x}{1-x}}$=$\frac{1}{2}$
=>$\frac{1}{\frac{2-3x}{1-x}}$=$\frac{1}{2}$
=>$\frac{1-x}{2-3x}$=$\frac{1}{2}$
=>2-2x=2-3x
=>-2x+3x=2-2
so. x=0
