1.

Find the angle between the lines l_(1) : y= (2 - sqrt(3) ) ( x +5) and l_(2) : y=(2+ sqrt(3) ) ( x-7). Thinking Process : If the angle between the lines having the slope m_1 and m_2 is theta then tan theta = | ( m_1 - m_2)/( 1+ m_1 m_2) |. Use this formula to solve the above problem.

Answer»


ANSWER :the ANGLE between the LINES are 60° or 120°.


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