Question

1
—+1
5. If f(x) = 1
1
u.
1
X
The value of f(x) + f(-x) is
(A)2(1+x2)
(B) 2 (1-x2)
(C) 2
(1-x)
1+x2
(D) 2
1+x2
1+x?
1-x2​

Answer 1

Step-by-step explanation:

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