The Point of intersection of
xi + x2 = 10 is what
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Step-by-step explanation:
A line passing through the point of intersection of x + y = 4 and x - y = 2 makes an angle tan ^-1 (34) with the x - axis. It intersects the parabola y^2 ...
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S:x
2
+y
2
−4x+3y−1=0.
Let the point of intersection of tangents by p(h,k)
Line AB 2x+y+12=0 is chord of contact
Equation of chord of contact is given by:
x(h)+y(k)−4(
2
x+h
)+3(
2
y+k
)−1=0
⇒xh+yk−2x−2h+
2
3y
+
2
3k
−1=0
⇒x(h−2)+y(k+
2
3
)−(2h−
2
3k
+1)=0
Comparing this with given equation 2x+y+12=0
2
h−2
=
2
2k+3
=−(
24
4h−3k+2
)
Solving, we get
h=1,k=−2
(1,−2).
on this process we can solve
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