Mathematics
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anonymous
  • Member for 5 years, 11 months
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All Questions Answers
Score Newest
question
7
If $f : \mathbb R \to [-2 , 2]$ with $(f(0))^2 + (f'(0))^2 =85$, then there exists $x \in (-4 , 4)$ such that $f(x) +f''(x) = 0$ and $f'(x) \neq 0$.
Jan 29, 2020
question
7
Can anyone please help me to understand what does "well-defined" mean in the definition of Set?
Jun 13, 2020
question
7
The greatest positive integer $𝑘$, for which $49^𝑘+1$ is a factor of the sum $49^{125}+49^{124}+⋯+49^{2}+49 +1$, is $63$.
Sep 5, 2020
question
5
The Maximum number of points of intersection of 4 distinct circles and 8 distinct straight lines is
Apr 22, 2020
question
5
Why every point of a function where differentiation exists has only one tangent?
Jul 1, 2016
question
5
How many squares with vertices on $x^2y^2 =1$ are possible? [closed]
Dec 31, 2021
question
4
Definition of a non-linear first order Partial differential equation
Jun 8, 2017
question
4
Does $\frac{dx}{dy}$ at $0$ exist and $\frac{dy}{dx}\frac{dx}{dy}$ at $0$ is $1$ for the following function?
Sep 21, 2019
question
4
Two methods are giving two different answers to the this differential equation : $\frac{dy}{dx}=\frac{1}{2} \frac{d(\sin ^{-1}(f(x))}{dx}$
Aug 10, 2020
question
3
How to prove that $F(x) = \int_0^x f(t)$ is differentiable at $0$. Here $f(t)$ is continuous on $[-2 , 2]$.
Aug 14, 2020

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