# Find The Cross Product Of Two Vectors a = (3,4,5) and b = (7,8,9)

Find the cross product of two vectors = (3,4,5) and  = (7,8,9)

Solution:

The cross product is given as,

a x= [(4×9)−(5×8)]i  −[(3×9)−(5×7)]j

x b = (36−40)i −(27−35)j +(24−28)k

x b = −4i + 8j −4k

Answer:  x b = −4i + 8j −4k