True or False? In Exercises 7578, determine whether each

Chapter 3, Problem 3.77

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True or False? In Exercises 7578, determine whether each statement is true or false. If a statement is true, give a reason or cite an appropriate statement from the text. If a statement is false, provide an example that shows the statement is not true in all cases or cite an appropriate statement from the text.(a) In Cramers Rule, the value of xi is the quotientof two determinants, where the numerator is thedeterminant of the coefficient matrix.(b) Three points (x1, y1), (x2, y2), and (x3, y3) arecollinear when the determinant of the matrix that hasthe coordinates as entries in the first two columnsand 1s as entries in the third column is nonzero.

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