The positive root of x2 - 78.8 = 0 after first approximation by Newton Raphson method assuming initial approximation to the root is 14, is
9.821
9.814
9.715
9.915
The set of points where the function is differentiable, is
R
R - {1}
R - {- 1}
R - {0}
B.
R - {1}
The order of the differential equation whose solution is y = a cos(x) + b sin(x) + ce-x , is
3
1
2
4
The differential equation of all parabolas with axis parallel to the axis of y is
y2 = 2y1 + x
y3 = 2y1
= y1
None of these