If A(adj A) = 5I where I is the identity matnx of order 3, then is equal to
125
25
5
10
B.
25
f(x) =
Then, which of the following is true ?
f(x) is discontinuous at x = a
f(x) is not differentiable at x = a
f(x) is differentiable at x a
f(x) is continuous at all x <a
A stone is thrown vertically upwards and the height x ft reached by the stone in t seconds is given by x = 80 t - 16t2 The stone reaches the maximum height in
2 s
2.5 s
3 s
1.5 s