Mathematics - Hyperbola Question with Solution | TestHub

If $\mathrm{P}(\mathrm{x},\mathrm{y})$ satisfy $x^2+y^2=1$. Let maximum value of $(x+y{)}^2$ is $\lambda$ then number of tangents from ( $\lambda ,0$ ) to hyperbola $(x-2{)}^2-y^2=1$ are