Yellow Skies
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### Questions (81)

 29 Is there a step by step checklist to check if a multivariable limit exists and find its value? 10 Prove that the derivative of an even differentiable function is odd, and the derivative of an odd is even. 9 Is this proof correct for : Does $F(A)\cap F(B)\subseteq F(A\cap B)$ for all functions $F$? 8 Derivation of the density function of student t-distribution from this big integral. 8 Check my workings: Prove the limit $\lim\limits_{x\to -2} (3x^2+4x-2)=2$ using the $\epsilon,\delta$ definition.

### Reputation (151)

 +5 Is there a step by step checklist to check if a multivariable limit exists and find its value? +5 Deal 4 cards from a deck. What is the probability that we get one card from each suit? +5 An equivalence relation T on $\mathbb{N}$ is defined for all $x,y\in\mathbb{N}$ by +5 Prove that the derivative of an even differentiable function is odd, and the derivative of an odd is even.

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### Tags (52)

 0 limits × 21 0 integration × 5 0 calculus × 17 0 derivatives × 5 0 probability × 10 0 functions × 4 0 linear-algebra × 9 0 elementary-number-theory × 3 0 real-analysis × 6 0 elementary-set-theory × 3

### Accounts (6)

 Physics 158 rep 6 Mathematics 151 rep 2931 Cross Validated 117 rep 3 Stack Overflow 105 rep 7 Philosophy 25 rep 4