|a| = sqrt(3^2+4^2)
about 5 I think. Now you do the other. Remember when you square a negative you get a positive.
Calculations with vectors
a = 3i +4j, b = -7i + 24j, c = i – 2j, d = 3j
a) Find |a|
b) Find |b|
1 answer
1 answer