Important Questions for Class 11 Maths Chapter 4

Important Questions for Class 11 Maths Chapter 4 Complex Numbers and Quadratic Equations

Question 1:
If (a + i b) = (cosθ + i sinθ)², then prove that \( \frac{(1+a)}{b} \) = \( \cot\theta \)

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Question 2:
Find the conjugate of :
(i) \(\ (3 + 5i)^2 \)
(ii) \(\frac{(3-2i)(2+3i)}{(1+2i)(2-i)}\)