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Sytee
 2 years ago
How to solve this?
A curve has an equation y=2/x^2 + 5/2
Find the equation of the tangent to the curve at point (2,3)
Sytee
 2 years ago
How to solve this? A curve has an equation y=2/x^2 + 5/2 Find the equation of the tangent to the curve at point (2,3)

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Decart
 2 years ago
Best ResponseYou've already chosen the best response.1\[\frac{ 2 }{x ^{2} }+\frac{ 5 }{ 2 }\]

Sytee
 2 years ago
Best ResponseYou've already chosen the best response.0what did u just wrote, it became error. all of a sudden

Decart
 2 years ago
Best ResponseYou've already chosen the best response.1do you need to take the derivative

Peter14
 2 years ago
Best ResponseYou've already chosen the best response.0is the equation, right?

Sytee
 2 years ago
Best ResponseYou've already chosen the best response.0@Peter14 yes that is the equation

Sytee
 2 years ago
Best ResponseYou've already chosen the best response.0@Decart yes,need to take the derivative , how?

Sytee
 2 years ago
Best ResponseYou've already chosen the best response.0i get dy/dx = 4x^3, after that what should i do?

Peter14
 2 years ago
Best ResponseYou've already chosen the best response.0or simplify it to 2x^(2)

Decart
 2 years ago
Best ResponseYou've already chosen the best response.1the low times the derivative of the high  the high times the derivative of the low all divided by the low squared

Peter14
 2 years ago
Best ResponseYou've already chosen the best response.0do you know pointslope form?

Decart
 2 years ago
Best ResponseYou've already chosen the best response.1once you find the derivative that gives you the slope

Decart
 2 years ago
Best ResponseYou've already chosen the best response.1the derivative is \[\frac{ 4 }{ x ^{3} }\]

Decart
 2 years ago
Best ResponseYou've already chosen the best response.1plug in the x to get the slope

Peter14
 2 years ago
Best ResponseYou've already chosen the best response.0with a point (x1, y1) and a slope m the equation of a line can be written (yy1)=m(xx1)

Decart
 2 years ago
Best ResponseYou've already chosen the best response.1distribute the 1/2 and then add the three

Sytee
 2 years ago
Best ResponseYou've already chosen the best response.0i got it!!! i have another question

Sytee
 2 years ago
Best ResponseYou've already chosen the best response.0solve the equation 3 cos 2x + 5 sinx =4 for 0 <x<360

Peter14
 2 years ago
Best ResponseYou've already chosen the best response.0you have to simplify it first, use the identity for cos 2x

Peter14
 2 years ago
Best ResponseYou've already chosen the best response.0use the identity for cos 2x
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