-4 6 12-2 3-11 Let A= B= and C= Verify that AB AC and yet B#C. 8-12 9 10 3 4 Show the calculations that are used to find the entries for matrix AB. Choose the correct answer below. OA. B. -4(12)+6(9) -4(-2)+6(10) 8(12)+(-12)(9) 8(-2)+(-12)(10) -4(12)+(-12)(10) -4(-2)+(-12)(9) C. 8(12)+6(10) 8(-2)+6(9) -4(-2)+6(9) -4(12)+6(10) 8(-2)+(-12)(9) 8(12)+(-12)(10) 8(12)+6(9) 8(-2)+6(10) -4(12)+(-12)(9) -4(-2)+(-12)(10) Show the calculations that are used to find the entries for matrix AC. Choose the correct answer below. O A. B. -4(-11)+6(3) -4(3)+6(4) 8(-11)+(-12)(3) 8(3)+(-12)(4) -4(3)+(-12)(4) -4(-11)+(-12)(3) 8(3)+6(4) 8(-11)+6(3) C. 8(3)+6(3) 8(-11)+6(4) -4(3)+(-12)(3)-4(-11)+(-12)(4) -4(3)+6(3) -4(-11)+6(4) 8(3)+(-12)(3) 8(-11)+(-12)(4) Verify that AB AC by simplifying. AB = AC = (Type an integer or decimal for each matrix element.)