Find & simplify (a) equation of the tangent plane to a surface 2 = = f(x, y) = = ln (√√9x² + 4y² – 3x) at the point P(1, -2). (b) tanh|2+ πι +²)

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.