CBSE BOARD XII, asked by avinashmarch3, 2 months ago

Let A =(x 2y)(-1 y).If AAT = (1 0) (0 alpha) then find the value of y2+alpha

Question from matrices

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Answered by rohitsinghsss8923

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just find the transpose of matrix A then multiply matric A and it's transpose. finally compare get answer

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