Cho các ma trận A, B vuông cấp 4.Biết rằng det(A^2) =64m^2 ,det(2B)=-32 a) tìm m để det(A)=12
b)Tìm m đẻ A khả nghịch. Khi đó hãy tính det(4A^-1) theo m
c) Khi m=1/4 hãy tính det(A),det(B),det(3*A^2),det(A^4*B^ 2),det(A^2*B+A^2)

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second