HSC Science (Computer Science) 12th Board ExamMaharashtra State Board
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Solution - If x=at^2, y= 2at , then find dy/dx. - HSC Science (Computer Science) 12th Board Exam - Mathematics and Statistics

Question

If x=at2, y= 2at , then find dy/dx.

Solution

We have, `y = 2at `

`dy/dt=2ad/dt(t)=2a(1)=2a`

also `x=at^2`

`dx/dx=a d/dt(t^2)=a(2t)=2at`

now `dy/dx= (dy/dt)/(dx/dt)=(2a)/(2at)=1/t`

Is there an error in this question or solution?

APPEARS IN

 2012-2013 (March) (with solutions)
Question 4.2.1 | 2 marks

Reference Material

Solution for question: If x=at^2, y= 2at , then find dy/dx. concept: Derivatives of Functions in Parametric Forms. For the courses HSC Science (Computer Science), HSC Science (Electronics), HSC Arts, HSC Science (General) , HSC Commerce (Marketing and Salesmanship), HSC Commerce
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