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precal
 4 years ago
Let F=f+g and G=3fg
find F'(1)
precal
 4 years ago
Let F=f+g and G=3fg find F'(1)

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Akshay_Budhkar
 4 years ago
Best ResponseYou've already chosen the best response.2Do u have f and g given?

precal
 4 years ago
Best ResponseYou've already chosen the best response.1I have a graph, would you like me to upload it?

Akshay_Budhkar
 4 years ago
Best ResponseYou've already chosen the best response.2yea sure i will have a look at it

precal
 4 years ago
Best ResponseYou've already chosen the best response.1Ok, give me a minute I have to scan it.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Akshay had a good eyes :P

precal
 4 years ago
Best ResponseYou've already chosen the best response.1Thanks for waiting. I think F ' = f ' + g ' G ' = 3f '  g' not sure about G '

precal
 4 years ago
Best ResponseYou've already chosen the best response.1I am not sure what to do with F=f+g

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0This is the hard way: Use interpolation to find the value of f(x) and g(x) in polynomial form and then use the derivatives.

precal
 4 years ago
Best ResponseYou've already chosen the best response.1sorry not sure how to do that. Interpolation?

Akshay_Budhkar
 4 years ago
Best ResponseYou've already chosen the best response.2@Fool o_O??? What is the easy way? I would go for finding f and g as a general function ( it is a line) and add the general equations then differentiate and the substitute 1

precal
 4 years ago
Best ResponseYou've already chosen the best response.1ok let me write the equations

precal
 4 years ago
Best ResponseYou've already chosen the best response.1so, I only need the equation where x=1 so f(x)=3x+10 now let me do g(x)

precal
 4 years ago
Best ResponseYou've already chosen the best response.1g(x) is x+1 F=f+g F=3x+10+x+1 F=2x+11 F'=2 F'(1) = 2 correct?

precal
 4 years ago
Best ResponseYou've already chosen the best response.1yes, I am right. Lookedin the back of my book. Thanks for your help

Akshay_Budhkar
 4 years ago
Best ResponseYou've already chosen the best response.2hehe when u wrote ur function f i got it u will get your answer!! i was sure of it =D
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