Ononot — The curve \mathbf{r}(t) = (t^2, 1 - t^2, t) has a tangent ve

Guest Session: 1 Question Remaining. Create Account to save progress.

Multivariable & Vectorhard

0:00.0

The curve $\mathbf{r}(t) = (t^2, 1 - t^2, t)$ has a tangent vector. At what value of $t$ is the tangent vector parallel to $(2, -2, 1)$ ?