Select and write the most appropriate answer from the given alternatives in each of the following :
If `A = {:((2,-3),(4,1)):}`, then adjoint of matrix A is

Select and write the correct answer from the given alternatives in each of the following: ((2i) / (1 + i))^2 =

Select and write the correct answer from the given alternatives in each of the following: sin^4x+cos^4x =

Select and write the most appropriate answer from the given alternatives in each of the following : If A = {:((2,2),(-3,2)):},B = {:((0,-1),(1,0)):}," then " (B^(-1)*A^(-1))^(-1) is equal to

Select and write the correct answer from the given alternatives in each of the following: tan7xtan3xtan4x=

Select and write the most appropriate answer from the given alternatives in each of the following : If A = {:((0,1,2),(1,2,3),(3,a,1)):} and A^(-1) = 1/2 {:((1,-1,1),(-8,6,2c),(5,-3,1)):} then

Select and write the most appropriate answer from the given alternatives in each of the following : The inverse of the matrix {:((-1,5),(-3,2)):} is

Select and write the most appropriate answer from the given alternatives in each of the following : If the matrix {:((6,-5,1),(4,2,-1),(14,-1,k)):} has no inverse, then

Select and write the most appropriate answer from the given alternatives in each of the following : If A^(-1) = 1/3 {:((1,4,-2),(-2,-5,4),(1,-2,1)):} and |A| = 3 , then (adj A) = …

Select and write the most appropriate answer from the given alternatives : The false statement in the following is