Change each vector from linear combination into component form:?
a= -3i + j a = < , >
b= 2i - 7j b = < , >
c= 9i c = < , >
d = 5i - j d = < , >
a= -3i + j a = < , >
b= 2i - 7j b = < , >
c= 9i c = < , >
d = 5i - j d = < , >