1
JEE Advanced 2023 Paper 1 Online
MCQ (Single Correct Answer)
+3
-1
Let $Q$ be the cube with the set of vertices $\left\{\left(x_1, x_2, x_3\right) \in \mathbb{R}^3: x_1, x_2, x_3 \in\{0,1\}\right\}$. Let $F$ be the set of all twelve lines containing the diagonals of the six faces of the cube $Q$. Let $S$ be the set of all four lines containing the main diagonals of the cube $Q$; for instance, the line passing through the vertices $(0,0,0)$ and $(1,1,1)$ is in $S$. For lines $\ell_1$ and $\ell_2$, let $d\left(\ell_1, \ell_2\right)$ denote the shortest distance between them. Then the maximum value of $d\left(\ell_1, \ell_2\right)$, as $\ell_1$ varies over $F$ and $\ell_2$ varies over $S$, is :
2
JEE Advanced 2020 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Consider the rectangles lying the region
$$\left\{ {(x,y) \in R \times R:0\, \le \,x\, \le \,{\pi \over 2}} \right.$$ and $$\left. {0\, \le \,y\, \le \,2\sin (2x)} \right\}$$
and having one side on the X-axis. The area of the rectangle which has the maximum perimeter among all such rectangles, is
$$\left\{ {(x,y) \in R \times R:0\, \le \,x\, \le \,{\pi \over 2}} \right.$$ and $$\left. {0\, \le \,y\, \le \,2\sin (2x)} \right\}$$
and having one side on the X-axis. The area of the rectangle which has the maximum perimeter among all such rectangles, is
3
JEE Advanced 2017 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
By approximately matching the information given in the three columns of the following table.
Let f(x) = x + loge x $$-$$ x loge x, x$$ \in $$(0, $$\infty $$)
Column 1 contains information about zeroes of f(x), f'(x) and f"(x).
Column 2 contains information about the limiting behaviour of f(x), f'(x) and f"(x) at infinity.
Column 3 contains information about increasing/decreasing nature of f(x) and f'(x).
Let f(x) = x + loge x $$-$$ x loge x, x$$ \in $$(0, $$\infty $$)
Column 1 contains information about zeroes of f(x), f'(x) and f"(x).
Column 2 contains information about the limiting behaviour of f(x), f'(x) and f"(x) at infinity.
Column 3 contains information about increasing/decreasing nature of f(x) and f'(x).
Column - 1 | Column - 2 | Column - 3 | |
---|---|---|---|
(i) | f(x) = 0 for some $$x \in (1,{e^2})$$ | (i) $$\mathop {\lim }\limits_{x \to \infty } \,f(x) = 0$$ | f is increasing in (0, 1) |
(ii) | f'(x) = 0 for some $$x \in (1,e)$$ | $$\mathop {\lim }\limits_{x \to \infty } \,f(x) = - \infty $$ | f is decreasing in (e, $${e^2}$$) |
(iii) | f'(x) = 0 for some $$x \in (0,1)$$ | $$\mathop {\lim }\limits_{x \to \infty } \,f'(x) = - \infty $$ | f' is increasing in (0, 1) |
(iv) | f'(x) = 0 for some $$x \in (1,e)$$ | $$\mathop {\lim }\limits_{x \to \infty } \,f'(x) = 0$$ | f' is decreasing in (e, $${e^2}$$) |
Which of the following options is the only INCORRECT combination?
4
JEE Advanced 2017 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
By approximately matching the information given in the three columns of the following table.
Let f(x) = x + loge x $$-$$ x loge x, x$$ \in $$(0, $$\infty $$)
Column 1 contains information about zeroes of f(x), f'(x) and f"(x).
Column 2 contains information about the limiting behaviour of f(x), f'(x) and f"(x) at infinity.
Column 3 contains information about increasing/decreasing nature of f(x) and f'(x).
Let f(x) = x + loge x $$-$$ x loge x, x$$ \in $$(0, $$\infty $$)
Column 1 contains information about zeroes of f(x), f'(x) and f"(x).
Column 2 contains information about the limiting behaviour of f(x), f'(x) and f"(x) at infinity.
Column 3 contains information about increasing/decreasing nature of f(x) and f'(x).
Column - 1 | Column - 2 | Column - 3 | |
---|---|---|---|
(i) | f(x) = 0 for some $$x \in (1,{e^2})$$ | (i) $$\mathop {\lim }\limits_{x \to \infty } \,f(x) = 0$$ | f is increasing in (0, 1) |
(ii) | f'(x) = 0 for some $$x \in (1,e)$$ | $$\mathop {\lim }\limits_{x \to \infty } \,f(x) = - \infty $$ | f is decreasing in (e, $${e^2}$$) |
(iii) | f'(x) = 0 for some $$x \in (0,1)$$ | $$\mathop {\lim }\limits_{x \to \infty } \,f'(x) = - \infty $$ | f' is increasing in (0, 1) |
(iv) | f'(x) = 0 for some $$x \in (1,e)$$ | $$\mathop {\lim }\limits_{x \to \infty } \,f'(x) = 0$$ | f' is decreasing in (e, $${e^2}$$) |
Which of the following options is the only CORRECT combination?
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Questions Asked from Application of Derivatives (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
JEE Advanced 2023 Paper 1 Online (1)
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