1
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $$A(4,7), B(-7,8)$$ and $$C(1,2)$$ are the vertices of $$\triangle A B C$$, then the equation of perpendicular bisector of the side $$A B$$ is

A
$$x-11 y-24=0$$
B
$$11 x+y+24=0$$
C
$$11 x-y+24=0$$
D
$$11 x+y-24=0$$
2
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

The ratio in which the straight line $$3 x+4 y=6$$ divides the join of the points $$(2,-1)$$ and $$(1,1)$$ is

A
$$1: 4$$
B
$$8: 13$$
C
$$4: 1$$
D
$$-4: 1$$
3
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Find the equation of a line passing through the point $$(4,3)$$, which cuts a triangle of minimum area from the first quadrant.

A
$$3 x+4 y=24$$
B
$$2 x-y=5$$
C
$$2 x+y=8$$
D
$$x-2 y=5$$
4
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

If the orthocenter of the triangle formed by the lines $$2 x+3 y-1=0, x+2 y+1=0$$ and $$a x+b y-1=0$$ lies at origin, then $$\frac{1}{a}+\frac{1}{b}$$ is equal to

A
0
B
$$\frac{1}{60}$$
C
$$\frac{1}{8}$$
D
4
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