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calculus iium quiz
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Assignment 3 (Chapter 2: Differentiation) 1
Assignment 3 (Chapter 2: Differentiation) Due date: Wednesday 21st May 2008
Q1. Find an equation for the line perpendicular to the tangent to the curve
122 +−= xxy at the point (0,1).
Q2. Given uy ln= and 2)2ln2(tan xxu += , find dxdy .
Q3. Find )(xf ′ :
1) 22 )ln()( xxexf +=
2) 4 )2sin(2)( xxf +=
3) ⎟⎟⎠
⎞⎜⎜⎝
⎛+
=12
tan)(xxxf
4) )]cos[ln(sin)( 4xxf =
Q4. Use implicit differentiation to find y′ :
1) 222)( yxyxx +=+ 2) π=+ )sec(xyx 3) xye yx =− ln
2 Q5. Find the tangent line to the curve ππ =+ yxy cos2 at the point )2/,1( π .