1
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
If the tangent to the curve y = x + sin y at a point
(a, b) is parallel to the line joining $$\left( {0,{3 \over 2}} \right)$$ and $$\left( {{1 \over 2},2} \right)$$, then :
A
b = a
B
|b - a| = 1
C
$$b = {\pi \over 2}$$ + a
D
|a + b| = 1
2
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
If R = {(x, y) : x, y $$ \in $$ Z, x2 + 3y2 $$ \le $$ 8} is a relation on the set of integers Z, then the domain of R–1 is :
A
{0, 1}
B
{–2, –1, 1, 2}
C
{–1, 0, 1}
D
{–2, –1, 0, 1, 2}
3
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Let $$\alpha $$ and $$\beta $$ be the roots of the equation
5x2 + 6x – 2 = 0. If Sn = $$\alpha $$n + $$\beta $$n, n = 1, 2, 3...., then :
A
5S6 + 6S5 = 2S4
B
5S6 + 6S5 + 2S4 = 0
C
6S6 + 5S5 + 2S4 = 0
D
6S6 + 5S5 = 2S4
4
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The sum of the first three terms of a G.P. is S and their product is 27. Then all such S lie in :
A
[-3, $$\infty $$)
B
(-$$ \propto $$, 9]
C
(-$$ \propto $$, -9] $$ \cup $$ [-3, $$\infty $$)
D
(-$$ \propto $$, -3] $$ \cup $$ [9, $$\infty $$)
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