- #1
TS656577
- 62
- 0
Homework Statement
If d1 = 4i - 10j + 2k and d2 = 9i - 10j + 6k, then what is (d1 + d2) · (d1 × 4d2)?
Homework Equations
Know how to do the cross product and dot product
The Attempt at a Solution
For the answer i got 9.6i + 56j -127.68k. How do i express that as a scalar for an online program that only has one box to type in?