Question

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Find  = ?

  1. x⋅⋅sec2 x
  2. 2x⋅⋅sec2 x2
  3. 2x⋅⋅sec2 x2
  4. 2x⋅⋅sec x2

Answer (Detailed Solution Below)

Option 2 : 2x⋅⋅sec2 x2

Detailed Solution

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Concept:

Chain rule: 

Differentiation Formulas

 = sec2 x 

​

Calculation:

Given: 

=  

= ⋅sec2 x2

= 2x⋅⋅sec2 x2

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