kalpana14 kalpana14

22-11-2020
Mathematics

contestada

if f(x)=x-5/4 and f-1(x)=25 find the value of x

Respuesta :

riyakukreja riyakukreja

24-11-2020

Answer:

ANSWER

g=f

−1

f(g(x))=x

Differentiate w.r.t.x

f

′

(g(x))⋅g

′

(x)=1

∴

1+(g(x))

4

1

⋅g

′

(x)=1

g

′

(x)=1+[g(x)]

4

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