Physics
posted by Emily on .
If a&b are vectors such that a+3b=3i+j & ab=i2j then find vectors a&b.

subtract the equations:
4b=4i+3j
solve for b. Then, solve the for a, using this solution for b.
Just algebra involved.
posted by Emily on .
If a&b are vectors such that a+3b=3i+j & ab=i2j then find vectors a&b.
subtract the equations:
4b=4i+3j
solve for b. Then, solve the for a, using this solution for b.
Just algebra involved.