Advertisements
Advertisements
प्रश्न
Evaluate:
`3[(5, -2)]`
उत्तर
`3[(5, -2)] = [(15, -6)]`
APPEARS IN
संबंधित प्रश्न
If A = `[(1, 3),(3, 4)]`, B = `[(-2, 1),(-3, 2)]` and A2 – 5B2 = 5C. Find matrix C where C is a 2 by 2 matrix.
If A = `[(2, 5),(1, 3)]`, B = `[(4, -2),(-1, 3)]` and I is the identity matric of the same order and At is the transpose of matrix A, find At.B + BI.
Evaluate:
`7[(-1, 2),(0, 1)]`
If `[(a, 3),(4, 1)] + [(2, b),(1, -2)] - [(1, 1),(-2, c)] = [(5, 0),(7, 3)]`, find the values of a, b and c.
If A = `[(1, 2),(2, 1)]` and B = `[(2, 1),(1, 2)]`; find A(BA)
If A = `[(1,3), (3,4)]` B = `[(-2,1), (-3,2)]` and `A^2 - 5B^2 = 5C` Find the matrix C where C is a 2 by 2 matrix.
Choose the correct answer from the given four options :
If `[(x + 2y, -y),(3x, 7)] = [(-4, 3),(6, 4)]` then the values of x and y are
Find the values of a and below `[(a + 3, b^2 + 2),(0, -6)] = [(2a + 1, 3b),(0, b^2 - 5b)]`
If A = `[(sec60°, cos90°),(-3tan45°, sin90°)] and "B" = [(0, cos45°),(-2, 3sin90°)]` Find : A2
If A = `[(sec60°, cos90°),(-3tan45°, sin90°)] and "B" = [(0, cos45°),(-2, 3sin90°)]` Find : BA