Misc 13 - Chapter 5 Class 12 Continuity and Differentiability

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Misc 13 Find 𝑑𝑦/𝑑π‘₯ , if 𝑦=〖𝑠𝑖𝑛〗^(βˆ’πŸ) π‘₯+〖𝑠𝑖𝑛〗^(βˆ’1) √(1βˆ’π‘₯2), – 1 ≀ π‘₯ ≀ 1 𝑦=〖𝑠𝑖𝑛〗^(βˆ’πŸ) π‘₯+〖𝑠𝑖𝑛〗^(βˆ’1) √(1βˆ’π‘₯^2 ) , – 1 ≀ π‘₯ ≀ 1 Putting 𝒙 = π’”π’Šπ’β‘πœ½ 𝑦=〖𝑠𝑖𝑛〗^(βˆ’πŸ) (sinβ‘πœƒ)+〖𝑠𝑖𝑛〗^(βˆ’1) √(1βˆ’sin^2 πœƒ ) 𝑦=𝜽+〖𝑠𝑖𝑛〗^(βˆ’1) √(γ€–πœπ¨π¬γ€—^𝟐 πœƒ ) 𝑦=πœƒ+〖𝑠𝑖𝑛〗^(βˆ’1) (cos πœƒ) 𝑦=πœƒ+〖𝑠𝑖𝑛〗^(βˆ’1) (sin⁑(𝝅/𝟐 βˆ’πœ½) ) 𝑦=πœƒ+ (πœ‹/2 βˆ’πœƒ) 𝑦=πœƒβˆ’πœƒ + πœ‹/2 π’š= 𝝅/𝟐 Differentiating 𝑀.π‘Ÿ.𝑑.π‘₯. 𝑑𝑦/𝑑π‘₯ = 𝑑(πœ‹/2)/𝑑π‘₯ π’…π’š/𝒅𝒙 = 0

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo