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ISRO EXAM 2017 : Engineering Mathematics Quiz- 2

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Question 1

The value of the determinant

Question 2

The system of equations x + y+ z = 6, 2x+y+z = 7, x+2y+z = 8 has

Question 3

If and are the roots of the equation , then α²+β² is

Question 4

If $Description: Description: Description: Description: Description: E:\GradeStack Courses\ISRO-EC-2012_files\image165.png$ then $Description: Description: Description: Description: Description: E:\GradeStack Courses\ISRO-EC-2012_files\image166.png$ is

Question 5

A box contains 5 black and 5 red balls. Two balls are randomly picked one after another from the box, without replacement. The probability for both balls being red is

Question 6

For a random variable x having the PDF shown in the figure given below

the mean and the variance are, respectively

Question 7

Find the Integral Factor of x²y' +2xy = log x²

Question 8

If $Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE ME 18-Mar\GATE-ME-2004_files\image001.png$ and $Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE ME 18-Mar\GATE-ME-2004_files\image002.png$ , then $Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE ME 18-Mar\GATE-ME-2004_files\image003.png$ will be equal to