Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §11.1 Vectors and Dot Products, #12 · Multivariable Calculus · Vectors & geometry

From … subtract a multiple of … so that … is perpendicular…

From $V = (1, 2, 3)$ subtract a multiple of $V = (1, 1, 1)$ so that $W - c V$ is perpendicular to $V$ . Draw $V$ and $W$ and $W - c V$ .

~5 minWritten answer · check your work with Lemma

Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §11.1 Vectors and Dot Products, #12

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.