Find the inverse of the matrix, if it exists.


Mathematics

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Provide an appropriate response.Find the direction in which the function is increasing most rapidly at the point P0.f(x, y, z) = xy - ln(z), P0(1, 1, 1)

A. ( i -  j + k)
B. ( i +  j - k)
C. ( i +  j - k)
D. ( i +  j - k)

Mathematics

Find the values of x and y.

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__________
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__________

What will be an ideal response?

Mathematics

Rationalize the denominator and simplify.

A.
B.
C. 5
D. 28

Mathematics

Find an equation for the ellipse described.Foci at (-5, -2) and (1, -2); length of major axis is 10

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics