If `[(5,3),(5,4)]` then `A^2 ` IS equal to

If f(x)=x^(2)+4x-5andA={:[(1,2),(4,-3)]:} , then f(A) is equal to

If A={:[(1,2,3),(-2,5,7)]:}and2A-3B={:[(4,5,-9),(1,2,3)]:} then B is equal to

15. For matrix A=[(2,3),(-4,5)] , (adjA)^T is equal to (A) [(5,-3),(4,2)] (B) [(5,4),(-3,2)] (C) [(5,3),(4,-2)] (D) [(5,-3),(-4,2)]

If A={2,3} B={4,5} then A X B is equal to

5.2 - 3.6 is equal to

[[2x+y,0],[5,x]]=[[5,0],[5,3]], then y is equal to:-

Let f(x) polynomial of degree 5 with leading coefficient unity such that f(1)=5, f(2)=4,f(3)=3,f(4)=2,f(5)=1, then f(6) is equal to

-2/5 x 3/5 is equal to

The plane containing the line (x-3)/(2)=(y-b)/(4)=(z-3)/(3) passes through the points (a, 1, 2), (2, 1, 4), (2, 3, 5) , then 3a+5b is equal to

Let A+2B=[{:(2,4,0),(6,-3,3),(-5,3,5):}] and 2A-B=[{:(6,-2,4),(6,1,5),(6,3,4):}] , then tr (A) - tr (B) is equal to (where , tr (A) =n trace of matrix x A i.e. . Sum of the principle diagonal elements of matrix A)