1
JEE Main 2023 (Online) 1st February Morning Shift
Numerical
+4
-1
Change Language

If $$\int_\limits{0}^{1}\left(x^{21}+x^{14}+x^{7}\right)\left(2 x^{14}+3 x^{7}+6\right)^{1 / 7} d x=\frac{1}{l}(11)^{m / n}$$ where $$l, m, n \in \mathbb{N}, m$$ and $$n$$ are coprime then $$l+m+n$$ is equal to ____________.

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2
JEE Main 2023 (Online) 1st February Morning Shift
Numerical
+4
-1
Change Language

Let $$a_{1}=8, a_{2}, a_{3}, \ldots, a_{n}$$ be an A.P. If the sum of its first four terms is 50 and the sum of its last four terms is 170 , then the product of its middle two terms is ___________.

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3
JEE Main 2023 (Online) 1st February Morning Shift
Numerical
+4
-1
Change Language

Let $$f: \mathbb{R} \rightarrow \mathbb{R}$$ be a differentiable function such that $$f^{\prime}(x)+f(x)=\int_\limits{0}^{2} f(t) d t$$. If $$f(0)=e^{-2}$$, then $$2 f(0)-f(2)$$ is equal to ____________.

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4
JEE Main 2023 (Online) 1st February Morning Shift
Numerical
+4
-1
Change Language

The remainder, when $$19^{200}+23^{200}$$ is divided by 49 , is ___________.

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