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Mathematics Mock Test - 8

Medium 50 Questions 49 min 50 marks 2 attempts

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49 min · 50 marks · Full test mode with leaderboard

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Question No: 31Difficulty: mediumMarks: 1mcqAnswered correctly: 14%

What is the perpendicular distance from the point (2, 3, 4) to the line \frac{x - 0}{1} = \frac{y - 0}{0} = \frac{z - 0}{0} ?

Question No: 32Difficulty: mediumMarks: 1mcqAnswered correctly: 0%

If for a matrix A, A^{2} + I = 0, where I is the identity matrix of order 2, then A can be:

Question No: 33Difficulty: mediumMarks: 1mcqAnswered correctly: 50%

Let A = [1 - 5 21] and A^{- 1} = x A + y I, then the values of x and y are:

Question No: 34Difficulty: mediumMarks: 1mcqAnswered correctly: 0%

\int \frac{x ^{2}}{x ^{2} + 4} d x =

Question No: 35Difficulty: mediumMarks: 1mcqAnswered correctly: 0%

Find the shortest distance between the lines \frac{x - 1}{- 1} = \frac{y - 2}{0} = \frac{z}{1} and \frac{x + 2}{1} = \frac{y}{1} = \frac{z}{0} .

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