Find thevalue of `(3^0 + 4^-1) xx 2^2`

Find the value of (2^-1 xx 4^-1) :- 2^-2

Find the value of x and y in [(x+2y, 2),(4, x+y)] - [(3,2),(4,1)] = 0 where 0 is a null matrix.

Find the product of: (-3) xx (-6) xx (-2) xx (-1)

If A= ((2,0,1),(2,1,3),(1,-1,0)) then find the value of A^(2)-3A +2I.

Evaluate (5^-1xx2^-1) xx 6^-1

If [(x+3,z+4,2y-7),(-6,a-1,0),(b-3,-21,0)]=[(0,6,3y+2),(-6,-3,2c+2),(2b+4,-21,0)] Find the values of a, b, c, x, y and z.

Evaluate (8^-1 xx 5^3 )/ 2^-4

Find the product: (-1) xx (-2) xx (-3) xx4

If A =[{:(3,-3,4),(2,-3,4),(0,-1,1):}] and B is the adjoint of A, find the value of |AB+2I| ,where l is the identity matrix of order 3.

Find the sum to n terms of the series . 3 xx 1^(2) + 5 xx 2^(2) + 7 xx 3^(2) + . . . . . .