Math, asked by NeelKGSoni, 1 year ago

Question 23 quickly please

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Answered by arpanbiswas1812

1

Answer:

3f(x) +1/ f(x) +3

Step-by-step explanation:

f(2x)=2x-1/2x+1

3f(x)+1/f(x)+3=

{(3x-3/x+1)+1}/{(x-1/x+1)+3}=

3x-3+x+1/x-1+3x+3=

4x-2/4x+2=

2(2x-1)/2(2x+1)=

2x-1/2x+1

f(2x)=3f(x)+1/f(x)+3

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