S Sandeep Kumar Oct 2019 9 4 India Nov 1, 2019 #1 Could someone, please, help me solve this? Let f be a function with the domain the set of all real numbers except 0 and 1 ,that satifies the equation : 2xf(x) - f[(x-1)/x] = 20 Find f(5/4)

Could someone, please, help me solve this? Let f be a function with the domain the set of all real numbers except 0 and 1 ,that satifies the equation : 2xf(x) - f[(x-1)/x] = 20 Find f(5/4)

I Idea Jun 2013 1,111 590 Lebanon Nov 1, 2019 #3 Let \(\displaystyle g(x)=2x f(x)-f\left(\frac{x-1}{x}\right)\) and solve the system \(\displaystyle g\left(\frac{5}{4}\right)=20,g\left(\frac{1}{5}\right)=20,g(-4)=20\) Reactions: topsquark

Let \(\displaystyle g(x)=2x f(x)-f\left(\frac{x-1}{x}\right)\) and solve the system \(\displaystyle g\left(\frac{5}{4}\right)=20,g\left(\frac{1}{5}\right)=20,g(-4)=20\)

S Sandeep Kumar Oct 2019 9 4 India Nov 2, 2019 #4 I've actually solved this right after posting it. How can I delete this post? I tried to unwatch it. It's not working.

I've actually solved this right after posting it. How can I delete this post? I tried to unwatch it. It's not working.

topsquark Forum Staff Jan 2006 11,569 3,453 Wellsville, NY Nov 2, 2019 #6 Sandeep Kumar said: I've actually solved this right after posting it. How can I delete this post? I tried to unwatch it. It's not working. Click to expand... MHF policy is to not delete threads or posts unless there is a serious situation. I'm going to leave this. Someone else might get something out of it as well. -Dan

Sandeep Kumar said: I've actually solved this right after posting it. How can I delete this post? I tried to unwatch it. It's not working. Click to expand... MHF policy is to not delete threads or posts unless there is a serious situation. I'm going to leave this. Someone else might get something out of it as well. -Dan