GPSC Class 1 - 2 2019 Paper 1

Question 189
MEDIUMCorrect: +1Incorrect: -1

જો x=3+22x=3+2 \sqrt{2}x=3+22 તો x(1x)\sqrt{x}-\left(\frac{1}{\sqrt{x}}\right)x(x1)​ ની કિંમત

    a
    222 \sqrt{2}22​​
    b
    2
    c
    4
    d
    122\frac{1}{2 \sqrt{2}}221​​