1) If A= 3 & B= (1 -5 7), 1 -2 Verify that (AB)' = B'A'. 2) Find a 2 x 2 Matrix B such that BA = A where A= 1 -2 = 6 0 4 2 1 4 0 6 -1 1 3) Find the equation of the tangent to the curve √x + √y = a, at the point (a²/4 , a²/4). 2y + 2x - a²=0 4) Discuss the continuity of the function f(x) at x=0, where f(x)= x, if x >0 1, if x=0 -x, if x <0 discontinue 5 ...
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