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

For three consecutive odd integers $$a \cdot b$$ and $$c$$, if the variable line $$a x+b y+c=0$$ always passes through the point $$(\alpha, \beta)$$, the value of $$\alpha^2+\beta^2$$ equals

A
9
B
4
C
5
D
3
2
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $$2x+3y+4=0$$ is the perpendicular bisector of the line segment joining the points A(1, 2) and B($$\alpha,\beta$$), then the value of $$13\alpha+13\beta$$ equals

A
$$-81$$
B
$$-99$$
C
99
D
81
3
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

The equation of the pair of straight lines perpendicular to the pair $$2 x^2+3 x y+2 y^2+10 x+5 y=0$$ and passing though the origin is

A
$$2 x^2+5 x y+2 y^2=0$$
B
$2 x^2-3 x y+2 y^2=0$$C$$2 x^2+3 x y+y^2=0$$D$$2 x^2-5 x y+2 y^2=0$$4 AP EAPCET 2021 - 19th August Morning Shift MCQ (Single Correct Answer) +1 -0 If the centroid of the triangle formed by the lines$$2 y^2+5 x y-3 x^2=0$$and$$x+y=k$$is$$\left(\frac{1}{18}, \frac{11}{18}\right)$$, then the value of$$k$$equals A$$-1$\$
B
0
C
1
D
2
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12