Trigonometry
Inverse Trigonometric Functions
MCQ (Single Correct Answer)Subjective
1
WB JEE 2017
MCQ (More than One Correct Answer)
+2
-0
If a, b$$ \in $$ {1, 2, 3} and the equation ax2 + bx + 1 = 0 has real roots, then
A
a > b
B
a $$ \le $$ b
C
number of possible ordered pairs (a, b) is 3
D
a < b
2
WB JEE 2016
MCQ (More than One Correct Answer)
+2
-0
If the equation x2 + y2 $$-$$ 10x + 21 = 0 has real roots x = $$\alpha$$ and y = $$\beta$$, then
A
3 $$ \le $$ x $$ \le $$ 7
B
3 $$ \le $$ y $$ \le $$ 7
C
$$-$$2 $$ \le $$ y $$ \le $$2
D
$$-$$2 $$ \le $$ x $$ \le $$2
Questions Asked from MCQ (Multiple Correct Answer)
WB JEE Subjects