Hello Respected Sir,

i have a problem plz help.

$\displaystyle

For f(x)= 3x4-2x2

g(x) = 2/(x)1/2

$

find the composition of f and g.

i have just solve here

$\displaystyle

gof = ?

gof(x) = g(f(x))= 2/ (f(x))

gof(x)= 2/(3x4-2x2)1/2

$

but next

Plz help

the second question is that

find the 15th term of the following sequence

1/2,1/4,1/8,...