For x 
R−{0, 1}, let f1(x)=
, f2(x)=1−x and f3(x)
be there given functions. If a function, J(x) satisfies (f2
J
f1)(x)=f3(x) then J(x) is equal to
a.
f3(x)
b.
f1(x)
c.
f2(x)
d.
f3(x)
R−{0, 1}, let f1(x)= , f2(x)=1−x and f3(x) be there given functions. If a function, J(x) satisfies (f2 J f1)(x)=f3(x) then J(x) is equal toa.
f3(x)
b.
f1(x)
c.
f2(x)
d.
f3(x)
Question ID - 56547 | SaraNextGen Top Answer For x R−{0, 1}, let f1(x)= , f2(x)=1−x and f3(x) be there given functions. If a function, J(x) satisfies (f2 J f1)(x)=f3(x) then J(x) is equal to
a.
f3(x)
b.
f1(x)
c.
f2(x)
d.
f3(x)
For x R−{0, 1}, let f1(x)= , f2(x)=1−x and f3(x) be there given functions. If a function, J(x) satisfies (f2 J f1)(x)=f3(x) then J(x) is equal to
|
a. |
f3(x) |
b. |
f1(x) |
|
c. |
f2(x) |
d. |
|
1 Answer
127 votes
Answer Key / Explanation : (a) -
Given f1(x)=
,f2(x)=1−x and f3(x)=
(f2
J
f1)(x)=f3(x)
(f2
(J(f1(x)))=f3(x)
f2
=
I−J
= 
J
=1−
= 
= 
Now x 
J(x)=
f3(x)
127 votes
Answer Link
127