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Grade: 10

                        

If f(x)=a/(3-x) where X doesn't equal to 3 and g(x)=11-bx^2, f^(5)=4/5 and fg(2)=1/2 Find the values of a and b!

5 months ago

Answers : (2)

Saurabh Koranglekar
askIITians Faculty
8394 Points
							Dear student

F(5)= 4/5 = a/(-2)

a = -8/5

Similarly use last equation and value of a to obtain b, where the function is f(g(x)) ie
f(g(2))

Regards
5 months ago
Yashraj
324 Points
							
F(5)=4/5                                                                                                                                                a=-8/5
g(2)=11-4b then
put value of g(2)in last equation
then get value of b
 
with regards
these types of questions are simple practice
 
4 months ago
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