InterviewSolution
Saved Bookmarks
| 1. |
फलन `f(x) = |x|` के सांतत्य की विवेचना x = 0 पर कीजिए । |
|
Answer» यहाँ `f(x)=|x|, a = 0`. (i) `f(0)=|0|=0` (ii) R.H.L. `=underset(x rarr 0^(+))(lim)f(x)=underset(h rarr 0)(lim)f(0+h)` `=underset(h rarr 0)(lim)|0+h|` `=underset(h rarr 0)(lim)|h|` `=|0|=0` (iii) L.H.L. `=underset(x rarr 0^(-))(lim)f(x)=underset(h rarr 0)(lim)f(0-h)` `=underset(h rarr 0)(lim)|0-h|` `=underset(h rarr 0)(lim)|-h|` `= |0|` = 0 `therefore" "underset(x rarr 0^(+))(lim)f(x)=underset(x rarr 0^(-))(lim)f(x)=f(0)` अत: `f(x) = |x|` बिन्दु x = 0 पर संतत है । |
|