Question

Q 6: If a = i+2j-k, b = 3i+j+2k, c = -2i-j+5k then find 2a+3b-c
vector algebra​

Answer 1

Answer:

11i+8j+k

Step-by-step explanation:

  2(i+2j)

+ 3(3i+j+2k)

-   (-2i-j+5k)

___________

2i+4j+9i+3j+6k+2i+j-5k======

====11i+8j+k