- Laws of Indices:
- am x an = am + n
am = am - n an - (am)n = amn
- (ab)n = anbn
a n = an b bn - a0 = 1
- Surds:Let a be rational number and n be a positive integer such that a(1/n) = aThen, a is called a surd of order n.
- Laws of Surds:
- a = a(1/n)
- ab = a x b
= a b - (a)n = a
- (a)m = am
Sunday, October 1, 2017
Surds and Indices - Important Formulas | Aptitude
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