If vec(a) = hat(i) + hat(j) + 2 hat(k) and vec(b) = 3 hat(i) + 2 hat(j) - hat(k), find the value of(vec(a) + 3 vec(b)). ( 2 vec(a) - vec(b)).

If vec(a) = hat(i) + hat(j) + 2 hat(k) and vec(b) = 3 hat(i) + 2 hat(j

1.	If vec(a) = hat(i) + hat(j) + 2 hat(k) and vec(b) = 3 hat(i) + 2 hat(j) - hat(k), find the value of(vec(a) + 3 vec(b)). ( 2 vec(a) - vec(b)).
Answer» Solution :(a) T - MG = ma (B) `T_(x) +F_(x) = A_(x) +B_(x)` (C)`T_(x) - F_(x) = A_(x) - B_(x)` (d)T + mg = ma