Question

4.

Given three vectors;
a= i + 2; +3k,
b = 2i +3j+k
c = 7i +2j +k,
Evaluate vector p, such that p = (a x b) + (a x c)
(i)​

Answer 1

ummm wrong subject...!LOL=

Answer 2

25

Step-by-step explanation:

p=(a×b)+(a×c)

(I+2j+3k)(2i+3j+k) +(I+2j+3k)(7i+2j+k)

(2+6+3)+(7+4+3)

11+14=25