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ECAT - Practice Test - Maths - Algebra Quiz

Attempt 10 MCQs on ECAT - Practice Test - Maths - Algebra | Quiz 5

41. What is the coefficient of the middle term in (1+x)²?



42. Which triangle gives the coefficients of the binomial expansion?



43. The quadratic equation with roots 1 and 2 is:



44. What is the sum of the roots of x² - 7x + 12 = 0?



45. What is the product of the roots of x² + 3x - 10 = 0?



46. Is matrix addition commutative?



47. When multiplying a matrix by a scalar, what do you do?



48. The determinant of a 3×3 matrix computed by expansion along different rows:



49. What is C(5,3)?



50. What is P(4,2)?



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