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Let `f :R -> R` be a function such that for some `p >0, f (x+ p) =(f(x)-5)/(f(x)-3)` for all x `in`R . Then period of f is
A. |
2p |
B. |
4p |
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C. |
3p |
D. |
5p |
3 does not belongs to the range of `f=>2` also does not belongs to the range of f for otherwise f(x) for some x `in` R if f(x+2p)=f(x) , then