Question
Download Solution PDFComprehension
कोण θ क्या है ताकि z शुद्धतः वास्तविक है ?
जहां n एक पूर्णांक है
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
यदि z = x + iy शुद्ध रूप से वास्तविक है, तो y = 0 है।
गणना:
दिया गया है,
z =
(1 + i sin θ) से अंश और हर को गुणा करने पर,
चूँकि z शुद्ध रूप से वास्तविक है,
⇒
⇒ sin θ = 0
⇒ θ = nπ
∴ सही उत्तर विकल्प (3) है।
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