MCQ
The range of the function $f(x) = \frac{{\sqrt {1 - {x^2}} }}{{1 + \left| x \right|}}$ is
- ✓$\left[ {0,1} \right]$
- B$\left[ {0,\frac{1}{{\sqrt 2 }}} \right]$
- C$\left[ {0,\frac{1}{2}} \right]$
- D$\left[ {0,\frac{{\sqrt 3 }}{2}} \right]$
$y = \frac{{\left| {\sin \theta } \right|}}{{1 + \left| {\cos \theta } \right|}}$
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$\frac{1}{{1 + \sqrt 2 }} + \frac{1}{{\sqrt 2 + \sqrt 3 }} + \frac{1}{{\sqrt 3 + \sqrt 4 }} + .....$ upto $15$ terms is