1
JEE Main 2021 (Online) 26th February Evening Shift
Numerical
+4
-1
Change Language
If $${I_{m,n}} = \int\limits_0^1 {{x^{m - 1}}{{(1 - x)}^{n - 1}}dx} $$, for m, $$n \ge 1$$, and
$$\int\limits_0^1 {{{{x^{m - 1}} + {x^{n - 1}}} \over {{{(1 + x)}^{m + 1}}}}} dx = \alpha {I_{m,n}}\alpha \in R$$, then $$\alpha$$ equals ___________.
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2
JEE Main 2021 (Online) 26th February Morning Shift
Numerical
+4
-1
Change Language
The value of the integral $$\int\limits_0^\pi {|{{\sin }\,}2x|dx} $$ is ___________.
Your input ____
3
JEE Main 2021 (Online) 25th February Evening Shift
Numerical
+4
-1
Change Language
The value of $$\int\limits_{ - 2}^2 {|3{x^2} - 3x - 6|dx} $$ is ___________.
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4
JEE Main 2021 (Online) 24th February Morning Shift
Numerical
+4
-1
Change Language
If $$\int\limits_{ - a}^a {\left( {\left| x \right| + \left| {x - 2} \right|} \right)} dx = 22$$, (a > 2) and [x] denotes the greatest integer $$ \le $$ x, then$$\int\limits_{ - a}^a {\left( {x + \left[ x \right]} \right)} dx$$ is equal to _________.
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