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Multiply the numerator and denominator by the conjugate of the

denominator . Conjugate of is .

=

=     (Multiply the numerator using FOIL method)

=                           (Evaluate power: )

=                (Substitute the imaginary unit value i = -1)

=                          (Product of two different signs is negative)

=                          (Product of two same signs is positive)

=                          (Commutative property: a + b = b + a)

=                          (Add: 1 + 2 = 3)

=                                      (Subtract: )

=                                     (Write standard division form: )

The simplified expression is .