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Textbook Expert
Textbook ExpertVerified Tutor
16 Nov 2021

Given information

Given expression is  

The expression is to be evaluated and written in the form of  

Step-by-step explanation

Step 1.

The given expression can be changed to standard form by rationalising it.

The rationalise an expression in fraction, the number and denominator are to be multiplied with the conjugate of the imaginary number in the denominator.

For any complex number,  and  are said to be conjugates of each other.

Here the denominator is  

Hence the conjugate is  

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