192 21. National income determination model is given by Y - C+I+G. C= a + b (Y-T), T = d+tY (NBSE (12) where Y-national income, C=consumption expenditure, T-tax collection, income tax rate Find using Cramer's method, the value of Y, C and Tin terms of rest of the variables and constants.
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Each number in a matrix is called an entry, each horizontal set of numbers is called a row and each vertical set of numbers is called a column. Matrices come in a wide variety of sizes. When writing the size of a matrix, we always list the rows first. So a 2x3 matrix would have 2 rows and 3 columns, for example.
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In linear algebra, Cramer's rule is an explicit formula for the solution of a system of linear equations with as many equations as unknowns, valid whenever the system has a unique solution
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