Subject
Govt.Jobs
Topic
সিকিউরিটি প্রিন্টিং কর্পোরেশন লি. সহকারি ব্যবস্থাপক (সাধারণ)-২৬.১১,২০২১
If f(x) = x/(x-2) then value of f1(2)?
If f(x) = x/(x-2) then value of f1(2)?
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5Explanation
দেওয়া আছে, f(x)=x/(x-2) ধরি ,y=f(x) অতএব,y=x/(x-2) বা,xy-2y=x বা,xy-x=2y বা,x(y-1)=2y বা,x=2y/(y-1) বা,f 1 (y)=2y/(y-1) বা,f 1 (x)=2x/(x-1) অতএব,f 1 (2)=2.2/2-1 =4/1 =4Related questions
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