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3. A real valued function f(x) satisfies the equation f(x+y) = f(x) f(a-y) + f(y) f(a-x), where x,y belongs to R , where a is a constant and f(0) = 0 , then f(2a-x) is (1) -f(x) (2) f(x) (3) f(a-x) (4) f(-x) |
| Answer» 3. A real valued function f(x) satisfies the equation f(x+y) = f(x) f(a-y) + f(y) f(a-x), where x,y belongs to R , where a is a constant and f(0) = 0 , then f(2a-x) is (1) -f(x) (2) f(x) (3) f(a-x) (4) f(-x) | |