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f (x) = log ( 1+x / 1-x ) ---- 1
f ( 2x / 1+x2 ) = ???
to find this ----- in equation 1 replace "x" by ( 2x / 1+x2 )
then
f ( 2x / 1+x2 ) = log ( 1 + x2 + 2x / 1 + x2 - 2x )
f ( 2x / 1+x2 ) = log ( 1+x / 1-x ) 2
f ( 2x / 1+x2 ) = 2 log ( 1+x / 1-x )
f ( 2x / 1+x2 ) = 2 f(x)
Cheers....
Step-by-step explanation:
90 / 60 = 3/2
When you multiply 3/2 with 60, you get 90.
Hence 3/2 of 60 is 90.
You probably already know that the range of
is all non-negative real numbers, right?
Answer:
B
Step-by-step explanation:
need the length and height of the triangle on the left
Step-by-step explanation:
example: the distance form the line y=x till Y and Y' must be the same
