SSC NTA Delhi University Non-Teaching 2021 Mock Test Quantitative Aptitude Simplification Surds and Indices
यदि \({5^{{{\rm{x}}^2}{\rm{\;}} + {\rm{\;}}2}}{\rm{}} = {\rm{}}{125^{{\rm{\;}}-{\rm{\;x}}}}\), तो x. का मान ज्ञात कीजिये
1
1, 2
2
-1, -2
3
1, 3
4
-1, -4