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Express the result in the form x+iy, whe...

Express the result in the form x+iy, where x,y are real number `i=sqrt(-1)`:
(i) `3i^(3)(15i^(6))`
(ii) `(2+7i)^(3)`
(iii) `((1)/(2)+2i)^(3)`

Text Solution

Verified by Experts

The correct Answer is:
(i) `0+45i`
(ii) `-286-259i`
(iii) `-(47)/(8)-(13)/(2)i`
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MODERN PUBLICATION-COMPLEX NUMBERS-Exercise 5 (e) Short Answer Type Questions
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