Questions
Point of intersection of family of lines given by is
a
1,1
b
2,2
c
3,3
d
−1,−1
detailed solution
Correct option is A
The point of intersection of family of lines given is same as the point of intersection of the lines 3x+4y−7=0,5x−2y−3=0Eliminate y3x+4y−7+25x−2y−3=03x+4y−7+10x−4y−6=013x−13=0x=1 Substitute x=1 in the equation 5x−2y−3=0 to get the y coordinate 51−2y−3=0−2y+2=0y=1Therefore, the point of intersection of family of lines is 1,1Talk to our academic expert!
Similar Questions
If the lines ax+by+c = 0, bx+cy+a = 0 and cx+ay+b=0 are concurrent then the point of concurrency is
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