Same chapter3 marksDifficulty: Medium
Find the value of i2025.
Complex Numbers
3 marksDifficulty: Medium
Find the square roots of the complex number −5 + 12i.
Original Khojo Papers practice question — not from a past board paper.
Answer
±(2 + 3i)
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
If (a + ib)2 = −5 + 12i then a2 − b2 = −5 and 2ab = 12. Solving gives a = 2 and b = 3, so the roots are ±(2 + 3i).
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