Friday, September 17, 2021

SSC CHSL quantitative aptitude - surds indices


 Exponent Logarithm and Surds



Formula                                      Click to Buy Recorded Lectures


how to convert indices into lograthims and vice versa
a² = 10
a  is base
2 is power or exponent
loga10 = 2


Practice Problems

2logx+3log y = log a
Find value of 'a'

2logx - log y = 1 

a log x - blog y = 2 log 3


Laws of exponent (basic)


a^m + a^ n = (a)^m+n

2³+2⁴= 2³+⁴=2⁷

a^m÷a^n=a^m-n

2⁶÷2⁴=2⁶-⁴= 2²

(2³)⁵= (2)³*⁵= (2)¹⁵

a°= 1

(a)^-3= 1/ a^3

Solve the Questions


125⅓ ==

16¾==

125-⅓ =

2⅔.2⅖ =

11½/11¼==

1/(1/3)⁷ ==

Which one is bigger

(√17-√15)or (√24-√23)


Which is bigger surd and which is smaller

⁶√6,³√7,⁴√8















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