Gate Exam

let g(x) be the inverse of the function f(x), and f/(x) = 1/1+x3 then g/(x) equals

(1) 1/1+g3

(2) 1/1+f3

(3) 1+ g3

(4) 1+f3

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Gate Other Question

rank of the number 3241?(digits cannot be repeated) (a-5)2+(b-c)2+(c-d)2+(b+c+d-9)2=0

then the value of (a+b+c)(b+c+d) is ?

a)0

b)11

c)33

d)99