elementary math activities fractions

Elementary transformations are of the following three types: Interchange of any two rows (or columns) The multiplication of the elements of a row (or column) by a non-zero number. The addition to the elements of any row (or column) the corresponding elements of any other row (or ..

Let R i denotes the i t h row of the matrix A = [a i j ] then the elementary row operations on the matrix A are defined as: 3. R i g R i + kR j means multiply each element of j t h row by k and add it to the corresponding elements of i t h row. The corresponding column tra..

Question: Find n, if P(n-1,3): P(n+1,3):: 5 : 12. Answer: n = 8 (as n cannot be a fraction..

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Matrices and Determinants..

Matrices and Determinants..

Permutations and Combinations..

A child spends 1 2 of the day sleeping, 1 12 of the day eating, 1 6 of the day playing and the remaining 1 4 of the day doing other activities like bathing, etc. Order these fractions from the least to the greatest. => 1 12 < 1 6 < 1 2 < 1 4 or 1 12 < 1 6 < 1 4 &l..

Draw a scalene triangle, an acute angled triangle, an obtuse angled triangle, an equilateral triangle and a right angled triangle. Measure the angles in all the figure. Enter the measure in the table given. What do you observe? What do you conclude with respect to the sum of the magnitudes of all ..