Grade 1010 grade maths
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)=1/2Find the values of a and b!
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!
2 Answers
Saurabh Koranglekar
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
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
Yashraj
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
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