1.

हल कीजिएः 1. 4 - x2 2. 4 - x2 3. 1/(x2 - 6) = 2/(x2 + 2)

Answer»

1. 4 - x2 = 0

x2 = 4

x =  ±√4 =  ±2

2. 2(x2 - 121) = 0

x2 - 121 = 0

x2 = 121

x = ±√121 = ±11

3. 1/(x2 - 6) = 2/(x2 + 2)

2x2 - 12 = x2 + 2

2x2 -x2 - 12 - 2 = 0

x2 - 14 = 0

x = 14

x = ±√14



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