The figure shows a triangle AOB and the parabola y = x2. The ratio of the area of the triangle AOB to the area of the region AOB of the parabola y = x is equal to
57.
The value of is equal to
12
14
13
16
58.
The solution of is
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59.
The order and degree of the differential equation
(2, 4)
(2, 3)
(6, 4)
(6, 9)
60.
The integrating factor of the differential equation is