Class 11Mathematics1 Complex Numbers and Quadratic Equations: Complex NumbersSquare root, Representation and Logarithm of complex numbers
Difficultयदि $z = i \log (2 - \sqrt{3})$ है,तो $\cos z = $
- A$i$
- B$2i$
- C$1$
- D$2$
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यदि $a > 0$ और $z = x + iy$ है,तो $\theta \in R$ के लिए $\log_{\cos^2 \theta} |z - a| > \log_{\cos^2 \theta} |z - ai|$ का अर्थ है:
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