If X - R- then sgn X2 - 1 is equal to

The correct option is C 1 We know that sgn(x)= 1 for x gt;0 sgn(x)=0 for x=0 sgn(x)= 1 for x lt;0 So, sgn(x)=x|x| similarly, ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Signum Function

If X ∈ R, t...

Question

If $X \in R,$ then sgn $(X^{2} + 1)$ is equal to

0

- 1

No worries! We‘ve got your back. Try BYJU‘S free classes today!

0

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

- 1

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

Suggest Corrections

Similar questions

0 < x < 1

{tan}^{- 1} (\frac{\sqrt{1 - x^{2}}}{1 + x})

α \in (0, \frac{π}{2})

\sqrt{x^{2} + x} + \frac{{tan}^{2} α}{\sqrt{x^{2} + x}}

(x \neq 0, - 1)

0 \leq x \leq 1

sin {{tan}^{- 1} \frac{1 - x^{2}}{2 x} + {cos}^{- 1} \frac{1 - x^{2}}{1 + x^{2}}}

- 1 \leq x \leq 0

sin {{tan}^{- 1} \frac{1 - x^{2}}{2 x} - {cos}^{- 1} \frac{1 - x^{2}}{1 + x^{2}}}

2 f (x^{2}) + 3 f (\frac{1}{x^{2}}) = x^{2} - 1

x \in R - {0},

f (x^{2})

Join BYJU'S Learning Program