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10. If f(a-x) = f(a+x) and f(b-x) = f(b+x) for all real x, where a,b (b less than a) are constants, then prove that f(x) is a periodic function. |
| Answer» 10. If f(a-x) = f(a+x) and f(b-x) = f(b+x) for all real x, where a,b (b less than a) are constants, then prove that f(x) is a periodic function. | |