Question

if a =2i+3j, b = 6i + 2j - 3k and C = i + j then find 3a + 2b + c​

Answer 1

Answer:

19i+14j-6k

Explanation:

  3(2i+3j)+2(6i+2j-3k)+i+j    

6i+9j+12i+4j-6k+i+j

19i+14j-6k

Answer 2

Explanation:

hope you understand