In each case below, give the 3 x 3 elementary matrix E with the property that left multiplication by E produces the given row operation on an arbitrary 3 xn matrix A. a) Rows 2 and 3 are interchanged. b) Three times row 3 is added to row 1. c) Row 2 is multiplied by 1/5. d) Four times row 2 is subtracted from row 3.

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A:

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Q: 2. Evaluate, using the laws of logarithms. 2 log, 64 x v64* |+log, 46 43 256

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Q: = =x +2 4

A: given: x4=25x+2 given equation can be written as x4=2x5+2

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A: Given, x-2y+2z=-2..(1)2x+3y-z=1..(2)

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A:

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A: Given that: x4=27x

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A: Let the 2 odd nos. be 3 & 5.

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Q: Alma can do a job in 6 days. Rachel can do the same job in 12 days. How long will it take the two…

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.