Math, asked by nivbest2, 9 months ago

If f(x) = (2x-3)/(5x-2) , then f( f(x) ) is

Answers

Answered by fayazmd4u

3

Answer:

f(f(x))=(2f(x)-3)/(5f(x)-2)=2(2x-3)/(5x-2)-3/5(2x-3)/(5x-2)-2

=2(2x-3)-3(5x-2)/5(2x-3)-2(5x-2)

=4x-6-15x+6/10x-15-10x+4

=-11x/-11=x

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