anyone know how to do question 1(a) ? topic: complex number

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anyone know how to do question 1(a) ? topic: complex number

Date Posted: 5 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Rationalise the denominator by using (a+b)(a-b) to get rid of the complex number

Date Posted: 5 years ago