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A triangle ABC is transformed by the matrix to give a straight line. Find the acute angle x in the matrix.

A triangle ABC is transformed by the matrix

to give a straight line. Find the acute angle x in the matrix.

Answers

Kavungya answered the question on September 16, 2019 at 09:54

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Next: Use completing squares method to solve for X 3x² +18x + 15 = 0

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