Grandfathering Pr.1-3 Cr By Age 50

Surds and Indices - Facts and Formula

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  1. LAWS OF INDICES:
    • am x an = am + n
    • am / an = am-n
    • (am)n = amn
    • (ab)n = anbn
    • ( a/ b )n = ( an / bn )
    • a0 = 1
  2. SURDS: Let a be a rational number and n be a positive integer such that a1/n = nsqrt(a) is irrational. Then nsqrt(a) is called a surd of order n.
  3. LAWS OF SURDS:
    • n√a = a1/2
    • n√ab = n√a * n√b
    • n√a/b = n√a / n√b
    • (n√a)n = a
    • m√(n√(a)) = mn√(a)
    • (n√a)m = n√am

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