Question 85Asked in BPSC TRE 1.0 (2023) Mathematics Class 11-12

The differential coefficient of tan⁻¹(2x/(1 − x²)) with respect to sin⁻¹(2x/(1 + x²)) istan⁻¹(2x/(1 − x²)) का sin⁻¹(2x/(1 + x²)) के सापेक्ष अवकल गुणांक है

tan⁻¹(2x/(1 − x²)) का sin⁻¹(2x/(1 + x²)) के सापेक्ष अवकल गुणांक है
  1. A1/21/2
  2. B11
  3. C00
  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) 11

Explanation

With x = tan θ (|x| < 1), both functions equal 2θ = 2 tan⁻¹x. One is therefore the same function as the other, and the derivative is 1.x = tan θ (|x| < 1) रखने पर दोनों फलन 2θ = 2 tan⁻¹x के बराबर हैं। अतः एक फलन दूसरे के समान ही है और अवकलज 1 है।

From BPSC TRE 1.0 (2023) Mathematics Class 11-12 — Previous Year Paper

This is question 85 of BPSC TRE 1.0 (2023) 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.