Same chapter3 marksDifficulty: Medium
Find the square roots of the complex number −5 + 12i.
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3 marksDifficulty: Medium
Express (1 + i)/(1 − i) in the form a + ib.
Original Khojo Papers practice question — not from a past board paper.
Answer
i
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Multiplying above and below by 1 + i gives (1 + i)2/(1 − i2) = 2i/2 = i.
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