For the matrix A = [[3, 1],[2, 1]], find the numbers a and b so that A² + aA + bI = O.

Question

TextAddition of MatricesDeterminant of a Matrix of Order Two

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Let f(x) = |x² sin x; p -1|, where p is a constant. The value of p for which f'(0) = 1 is :

If A = [3 4; 5 2] and 2A + B is a null matrix, then B is equal to :

Addition of Matrices

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