Trigonometry
Inverse Trigonometric Functions
MCQ (Single Correct Answer)Subjective
1
WB JEE 2016
MCQ (Single Correct Answer)
+1
-0.25
The equation of auxiliary circle of the ellipse $$16{x^2} + 25{y^2} + 32x - 100y = 284$$ is
A
$${x^2} + {y^2} + 2x - 4y - 20 = 0$$
B
$${x^2} + {y^2} + 2x - 4y = 0$$
C
$${(x + 1)^2} + {(y - 2)^2} = 400$$
D
$${(x + 1)^2} + {(y - 2)^2} = 255$$
2
WB JEE 2016
MCQ (Single Correct Answer)
+2
-0.5
The points of the ellipse 16x2 + 9y2 = 400 at which the ordinate decreases at the same rate at which the abscissa increases is/are given by
A
$$\left( {3,{{16} \over 3}} \right)\left( { - 3, - {{16} \over 3}} \right)$$
B
$$\left( {3, - {{16} \over 3}} \right)\left( { - 3,{{16} \over 3}} \right)$$
C
$$\left( {{1 \over {16}},{1 \over 9}} \right)\left( { - {1 \over {16}}, - {1 \over 9}} \right)$$
D
$$\left( {{1 \over {16}}, - {1 \over 9}} \right)\left( { - {1 \over {16}},{1 \over 9}} \right)$$
WB JEE Subjects