

MCQOPTIONS
Saved Bookmarks
1. |
The area bounded by the x-axis, the curve \[y=f(x)\] and the lines \[x=1,\text{ }x=b,\] is equal to\[\sqrt{{{b}^{2}}+1}-\sqrt{2}\] for all \[b>1\], then f(x) is |
A. | \[\sqrt{x-1}\] |
B. | \[\sqrt{x+1}\] |
C. | \[\sqrt{{{x}^{2}}+1}\] |
D. | \[\frac{x}{\sqrt{1+{{x}^{2}}}}\] |
Answer» E. | |