Show that the angle of rotation of the axes to eliminate xy term in th – InterviewSolution

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1.	Show that the angle of rotation of the axes to eliminate xy term in the equation ax^(2) + 2hxy + by^(2) = 0 " is " (1)/(2) Tan^(-1) ((2h)/(a - b)) " when " a ne b and pi //4 when a = b
Answer» ANSWER :`RARR 2 THETA = PI //2 rArr theta = pi//4`

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