[" 1."3+42" ."],[" 3."7-24i]

If A = [(2,2,1), (1,3,1), (1,2,2)] then A^-1+(A-5I) (AI)^2 = (i) 1/ 5 [[4,2, -1], [-1,3,1], [-1,2,4]] (ii) 1/5 [[4, -2, -1], [-1, 3, -1], [-1, -2,4]] (iii) 1/3 [[4,2, -1], [-1,3,1], [-1,2,4]] (iv) 1/3 [[4, -2, -1], [-1,3, -1], [-1, -2,4]]

Study the following information carefully and answer the given questions based on it. In a certain code, letters of English alphabet are coded on the basis of the structure of the word. Numeric codes denoted for the letters of the word are in the same order as the letters of the word. Study the code represented for a particular structure of the word. Find out the logic and Answer the questions that follow in two sets (I and II): Find out the code of the given word in capital letters NINE 1) [42] [24] [42] [24] 2) [42] [24] [24] [42] 3) [24] [42] [42] [24] 4) [24] [42] [24] [42] 5) None of these

Find sqrt (7-24i)

Name the octants in which the following points lie (1,2, 3), (4,2,3). (4,-2,-5), (4, 2,-5), (-4,2, 5), (4,2, 5), 3,-1, 6), (2,4,-7)

Locate the following points (i) (1,-1,3) " " (ii) (-1,2,4) (iii) (-2,-4,-7) " " (iv) (-4,2,-5)

Locate the following points (i) (1,-1,3) " " (ii) (-1,2,4) (iii) (-2,-4,-7) " " (iv) (-4,2,-5)

find the square roots of the following: (i) 7+24i (ii) 7-24i (iii) -7-24i (iv) -7+24i .

On the set A = {(1,3) (4,2) (2,4) (2,3) (3,1)}. The relation R is

Prove the following: 42 xx [7 + (-3)] = [42 xx 7] + [42 xx (-3)]

Let A=[[4,2],[-1,1]] .Then (A-2I)(A-3I) is equal to