If f1x- - x - -2 - and fnx- f n-1 x-2 - for all n- 2- n- N- then number of solution of the equation f2015x-2 is

f(x)=||x| 2| (f_n)x=|f_m 1(x) 2| f_2015(x)=2 #160; #160; #160;No soln=? =1 only solution ...

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Modulus Function

If f1x=| | ...

Question

If $f_{1} (x) = | | x | - 2 |$ and $f_{n}) x) = ∣ ∣ f_{n - 1} (x) - 2 ∣ ∣$ for all $n \geq 2, n \in N$ , then number of solution of the equation $f_{2015} (x) = 2$ is

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