Question Number 1936 by 123456 last updated on 25/Oct/15
![f^2 (x)−f(x^2 )=a [G.Q1902] f(x)=?](Q1936.png)
$${f}^{\mathrm{2}} \left({x}\right)−{f}\left({x}^{\mathrm{2}} \right)={a}\:\left[\mathrm{G}.\mathrm{Q1902}\right] \\ $$$${f}\left({x}\right)=? \\ $$
Commented by prakash jain last updated on 25/Oct/15
$$\mathrm{I}\:\mathrm{don}'\mathrm{t}\:\mathrm{think}\:\mathrm{that}\:\mathrm{a}\:\mathrm{solution}\:\mathrm{exists}\:\mathrm{except} \\ $$$$\mathrm{for}\:{a}=\mathrm{0}\:\mathrm{or}\:{a}=\mathrm{2}. \\ $$
Commented by Rasheed Soomro last updated on 25/Oct/15
$${I}\:{think}\:{you}\:{are}\:{very}\:{right}\:{sir}! \\ $$