MCQ
જો $\cos \left(2 \sin ^{-1} x\right)=\frac{1}{9}$, તો $x$ નું મૂલ્ય......... છે.
- A$\frac{3}{2}$
- ✓$\frac{2}{3}$
- C$\frac{1}{2}$
- D1
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