Question

show that the equation 2X2-13XY-7Y2+X+23Y-6=0 representes pair of straight lines. also find & the between them and the angle of the co-ordinates point of intersection I the lines?

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Answer 1

refer the attachment

only ans it is

Answer 2

Step-by-step explanation:

$( \frac{19}{15} \frac{7}{15} ) \cos( \frac{ - 1}{ \sqrt{10} } )$