Saved Bookmarks
| 1. |
If the graph of `y=f(x)`is symmetrical about the lines `x=1a n dx=2,`then which of the following is true?`f(x+1)=f(x)`(b) `f(x+3)=f(x)``f(x+2)=f(x)`(d) None of theseA. `f(x+1)=f(x)`B. `f(x+3)=f(x)`C. `f(x+2)=f(x)`D. none of these |
|
Answer» Correct Answer - C From the given data, `f(1-x)=f(1+x) " (1)" ` ` and f(2-x)=f(2+x) " (2)" ` In (2), replacing x by `1 +x`, we have `f(1-x)=f(3+x)` ` or f(1+x)=f(3+x) " [From (1)]" ` ` or f(x) = f(2+x)` |
|