Determine the inverse , T-1 of the matrix T=[121-1] Hence find the coordinates to the point at which the two lines x+2y=7 and x-y=1 intersect (3m 43s) SUBSCRIBE TO VIEW THIS LESSON Determine the inverse , T-1 of the matrix T=[121-1] Hence find the coordinates to the point at which the two lines x+2y=7 and x-y=1 intersect (3m 43s) SUBSCRIBE TO VIEW THIS LESSON Matrix solution

Question

Determine the inverse , T-1 of the matrix T=[121-1] Hence find the coordinates to the point at which the two lines x+2y=7 and x-y=1 intersect

Answer 1