Questions
The area of the triangle formed by the lines is
a
9
b
36
c
45
d
54
detailed solution
Correct option is B
The area of the triangle formed by the lines ax2+2hxy+by2=0and lx+my+n=0 is n2h2−abam2−2hlm+bl2For the equations 3x2−4xy+y2=0,2x−y+6=0 The values are a=3,2h=−4,b=1,l=2,m=−1,n=6Therefore, the area of the triangle is AA=6222−313−12+42−1+122 =361 =36Therefore, the area of the triangle is 36 square unitsTalk to our academic expert!
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Area of the triangle formed by the line and the angle bisectors of the pairs of straight is
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