2. A Tip for this question: you may do the reduction only once and answer all the questions. There is no need to do the reduction four times. [1 0 5 1 1 2 and b = 1 -1 -6 A = 1 1 -2 2 3 3 7 -5 (a) Find the rref of A.
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
Rref means reduced row echelon form and it has to satisfy the following conditions.
1.the left most non zero entry of row is 1
- the left most non zero entry of a row is the only non zero entry in its column.
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