Subject Name 22
00:29:59
KHULE RAHUL MAHADEV
Question 4:
solve by cramers rule
2x + 3y = 5 , y – 3z = -2,3x + z = 4
x = 1, y = 1,2= 1
x = -1, y = 1,2 = 2
O x = 2, y = -1, z = 3
x = 2, y = 1, z = 4
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Employment 11 14 17 Total 1 18 56 89 163 0 13 16 8 37 Total 31 72 97 200 What is the variance of employment? Give your answer to two decimal places.
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