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Surds and Indices

Q1:

1 + 1 = ?
1 + a(n - m) 1 + a(m - n)

A 0

B
1
2

C 1

D am + n

ANS:C - 1

1 + 1 =
1  +  1
1 + an
am
1 + am
an
1 + a(n - m) 1 + a(m - n)
   = am + an
(am + an) (am + an)
   = (am + an)
(am + an)
   = 1.



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