Don't have Telegram yet? Try it now!
https://jjthetutor.com/let-u1u2u3-be-an-orthonormal-basis-for-an-inner-product-sace-v-and-let-u-u1-2u2-2u3-and-v/
Let {u1,u2,u3} be an orthonormal basis for an inner product sace V and let u = u1 + 2u2 + 2u3 and v