If the angle between the two straight lines represented by 2x2+5xy+3y2+7y-98=0 is tan-1m then find m.
If the angle between the two straight lines represented by 2x2+5xy+3y2+7y-98=0 is tan-1m then find m.
Rituraj Singh , 11 Years ago
Grade 11
Analytical Geometry> If the angle between the two straight lin...
1 AnswersSunil Raikwar
required angle is tan-1{2squareroot(h2-ab)/a+b}=tan-1{2squareroot(25/4-6)/9}
=tan-1(1/9)
so m=1/9
Thanks & Regards
Sunil Raikwar
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