Proof Question- Calculus
104949
How would I prove that this function is affine if $f(x+h)-f(x)=hf'(x)$?
121771
Proof $f(x)\equiv 0$
40549
How to proof the the derivative of $x^2$ is $2x$?
145496
Show $\lim_{h \to \ 0} \frac{f(x + 2h) - 2f(x+h) + f(x)}{h^{2}} = f''(x)$ Proof verification
30385
Proving that $\frac{e^x + e^{-x}}2 \le e^{x^2/2}$
116206
Complex number question on proving an inequality.
14952
Prove: $\frac{x}{\sqrt{y}}+\frac{y}{\sqrt{x}}\geq \sqrt{x}+\sqrt{y}$
131120
Proving an integral equation.
108698
proof using the mathematical induction
26501
Proof using complex numbers
155897
Proof by induction - is this correct?
115712
Application of Derivatives rigorous proof
145466
Is this a valid mathematical proof?
154406
Real analysis - proof approach help
120600
Real analysis derivate problem. How can I prove this?
125028
Prove the following equality using mathematical induction:
22303
How do I prove that $f(x)f(y)=f(x+y)$ implies that $f(x)=e^{cx}$, assuming f is continuous and not zero?