Mathematics

Q. Evaluate the limit lim (x -> 0) (sin(5x)/x) and determine its continuity.
  • A. 5, Continuous
  • B. 0, Continuous
  • C. 5, Not Continuous
  • D. 0, Not Continuous
Q. Evaluate the limit lim x→2 (x^2 - 4)/(x - 2).
  • A. 0
  • B. 2
  • C. 4
  • D. Undefined
Q. Find the area between the curves y = x and y = x^2 from x = 0 to x = 1.
  • A. 0.5
  • B. 1
  • C. 0.25
  • D. 0.75
Q. Find the area under the curve y = 3x^2 from x = 1 to x = 2.
  • A. 5
  • B. 6
  • C. 7
  • D. 8
Q. Find the coefficient of x^2 in the expansion of (2x - 3)^4.
  • A. 36
  • B. 48
  • C. 54
  • D. 72
Q. Find the derivative of f(x) = x^4 - 4x^3 + 6x^2 - 24x + 5. (2023)
  • A. 4x^3 - 12x^2 + 12x - 24
  • B. 4x^3 - 12x^2 + 6x - 24
  • C. 4x^3 - 12x^2 + 12x
  • D. 4x^3 - 12x^2 + 6x
Q. Find the derivative of g(x) = sin(x) + cos(x). (2020)
  • A. cos(x) - sin(x)
  • B. -sin(x) - cos(x)
  • C. sin(x) + cos(x)
  • D. -cos(x) + sin(x)
Q. Find the distance between the points (-1, -1) and (2, 2).
  • A. 3
  • B. 4
  • C. 5
  • D. 6
Q. Find the distance between the points (-2, -3) and (4, 5).
  • A. 8
  • B. 7
  • C. 6
  • D. 9
Q. Find the distance between the points (0, 0) and (x, y) where x = 6 and y = 8.
  • A. 10
  • B. 8
  • C. 6
  • D. 12
Q. Find the eigenvalues of the matrix G = [[5, 4], [2, 3]]. (2020)
  • A. 1, 7
  • B. 2, 6
  • C. 3, 5
  • D. 4, 4
Q. Find the equation of the line passing through the points (2, 3) and (4, 7). (2020)
  • A. y = 2x - 1
  • B. y = 2x + 1
  • C. y = 3x - 3
  • D. y = 2x + 3
Q. Find the local maxima of f(x) = -x^2 + 6x - 8. (2022)
  • A. (3, 1)
  • B. (2, 2)
  • C. (4, 0)
  • D. (1, 5)
Q. Find the point of intersection of the lines 2x + 3y = 6 and x - y = 1. (2020)
  • A. (0, 2)
  • B. (2, 0)
  • C. (1, 1)
  • D. (3, 0)
Q. Find the scalar product of A = 2i + 3j + k and B = i + 2j + 3k. (2020)
  • A. 14
  • B. 12
  • C. 10
  • D. 8
Q. Find the second derivative of f(x) = 4x^4 - 2x^3 + x. (2019)
  • A. 48x^2 - 12x + 1
  • B. 48x^3 - 6
  • C. 12x^2 - 6
  • D. 12x^3 - 6x
Q. Find the second derivative of f(x) = x^3 - 3x^2 + 4. (2020)
  • A. 6x - 6
  • B. 6x + 6
  • C. 3x^2 - 6
  • D. 3x^2 + 6
Q. Find the value of (1 + i)².
  • A. 2i
  • B. 2
  • C. 0
  • D. 1 + 2i
Q. Find the value of the coefficient of x^4 in the expansion of (x - 2)^6.
  • A. 15
  • B. 20
  • C. 30
  • D. 40
Q. For the data set: 1, 2, 3, 4, 5, what is the variance? (2022)
  • A. 2
  • B. 1.5
  • C. 1
  • D. 0.5
Q. For the equation x^3 - 6x^2 + 11x - 6 = 0, what is the product of the roots? (2019)
  • A. 6
  • B. 11
  • C. 1
  • D. 0
Q. For the equation x^3 - 6x^2 + 11x - 6 = 0, which of the following is a root?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. For the function f(x) = sin(x) + cos(x), what is f'(π/4)? (2023)
  • A. 0
  • B. √2
  • C. 1
  • D. √2/2
Q. For the parabola defined by the equation x^2 = 16y, what is the distance from the vertex to the focus?
  • A. 2
  • B. 4
  • C. 8
  • D. 16
Q. For the polynomial x^3 - 3x^2 + 3x - 1, what is the nature of its roots? (2020)
  • A. All real and distinct
  • B. All real and equal
  • C. One real and two complex
  • D. All complex
Q. For the polynomial x^3 - 3x^2 + 3x - 1, which of the following is true about its roots?
  • A. All roots are real
  • B. All roots are complex
  • C. One root is real
  • D. Two roots are real
Q. For the quadratic equation 2x^2 + 4x + 2 = 0, what is the value of the discriminant? (2020)
  • A. 0
  • B. 4
  • C. 8
  • D. 16
Q. For the quadratic equation x^2 - 4x + 4 = 0, what type of roots does it have? (2019)
  • A. Real and distinct
  • B. Real and equal
  • C. Complex
  • D. None of the above
Q. For which value of k does the equation x^2 + kx + 16 = 0 have equal roots? (2019)
  • A. -8
  • B. -4
  • C. 4
  • D. 8
Q. For which value of k is the function f(x) = { kx + 1, x < 2; 3, x = 2; 2x - 1, x > 2 } continuous at x = 2?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
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