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 : The inverse of the matrix {:((2,0,0),(0,1,0),(0,0,-1)):} is

Select and write the correct answer from the given alternatives in each of the following: tan15^@=

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

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

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 is a matrix such that A (adj A) ={:((20,0),(0,20)):} , then |A| = ……

Select and write the correct answer from the given alternatives in each of the following:the value of cos15^@-sin15^@=

Select and write the correct answer from the given alternatives in each of the following:The angle (3pi/9)^c lies in