Qualification > Math
[CIE] All Pure Mathematics (P1, P2 and P3) doubts here !
iluvme:
--- Quote from: mimiswift on December 31, 2010, 04:30:51 pm ---thanks alot..........i'm new at SF....i heard that they help regarding subject doubts here........thanks alot
--- End quote ---
Hey Welcome to SF :)
We are here to help you ;)
Feel free to post your doubts. And I am glad you understood :)
Dibss:
+ Rep for your help, Iluvme :D
iluvme:
--- Quote from: Whisper on December 31, 2010, 07:53:45 pm ---+ Rep for your help, Iluvme :D
--- End quote ---
Thankyou Ma'am.
Tohru Kyo Sohma:
doubt.. :-[..;
1. the curve C has equation y=Kx^2 +4/x, where K is a constant. the tangent to C at the point with x-coordinate 2 is parallel to the line with equation y=3x+8 . find the value of K and the equation of the tangent?
2. A curve has the equation y=6/1-2x . find an expression for dy/dx. hence find the equation of the normal to the curve at the point where x=2?
3. For the following function, find the stationary point and its nature; 4x+1/x ?
4. find the coordinates of the stationary point on the curve y=x^4 -2x^2 distinguishing between maxima and minima ?
sorry for asking so many questions but i dont seem to get the answers right.............an explanation would be helpful too!! :-[
elemis:
On it.
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