Mathematics MCQ Set 4

Question : Fifth order derivative of x⁴ is ___________

1. 0
2. 24
3. 24x
4. 12x²

Question : If f(x) is decreasing in (a, b) then if __________

1. F’(c) = 0
2. F’(c) > 0
3. F’(c) = 1
4. F’(c) < 0

Question : A plane cutting the cone parallel to its axis gives a _________

1. Ellipse
2. Parabola
3. Circle
4. Hyperbola

Question : Radius of the circle concentric with x² + y² + 6x – 10y – 2 = 0 and touching x – axis is _______

1. 5
2. 6
3. – 10
4. 2

Question : The conic is a hyperbola if __________

1. E = 1
2. E < 1
3. E > 1
4. E = 0

Question : Two vectors a and b are equal if they have same _________

1. Length
2. Magnitude
3. Direction
4. Magnitude and direction