Question 116Asked in BPSC TRE 3.0 (2024) Mathematics Class 11-12

Argument of i isi का कोणांक है

i का कोणांक है
  1. Aπ/4π/4
  2. Bπ/2π/2
  3. Cππ
  4. DMore than one of the aboveउपर्युक्त में से एक से अधिक
  5. ENone of the aboveउपर्युक्त में से कोई नहीं
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Correct answer: (B) π/2π/2

Explanation

i = 0 + 1·i lies on the positive imaginary axis, i.e. i = cos(π/2) + i sin(π/2), so its (principal) argument is π/2.i = 0 + 1·i धनात्मक काल्पनिक अक्ष पर स्थित है, अर्थात् i = cos(π/2) + i sin(π/2), इसलिए इसका (मुख्य) कोणांक π/2 है।

From BPSC TRE 3.0 (2024) Mathematics Class 11-12 — Previous Year Paper

This is question 116 of BPSC TRE 3.0 (2024) Mathematics Class 11-12 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.