Find the eqn of the plane through through to i kept the de cap manage key cap and passing through the line of intersection of the planes or daughter victor dot i cap plus detrick manager baker to zero and our vector
find the nth term and the 12th term of thelist of numbers:5,2,-1,-4,.....
Sir in ex7.3,q4 if you take triangle acd instead of adc the you need not to change area from minus to plus