A New Guy

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64 Questions

 16 Is there a step by step checklist to check if a multivariable limit exists and find its value? 9 Check my workings: Prove the limit $\lim\limits_{x\to -2} (3x^2+4x-2)=2$ using the $\epsilon,\delta$ definition. 4 Is there a faster way to do this? Find an orthogonal matrix $P$ and a diagonal matrix $D$ such that $A=PDP^T$ 4 Is this proof correct? To prove $F(A)\cap F(B)\subseteq F(A\cap B)$ for all functions $F$. 4 Evaluate the following integral, $\int\sqrt{4-\sqrt{x}}dx$

245 Reputation

 +15 Check my workings: Prove the limit $\lim\limits_{x\to -2} (3x^2+4x-2)=2$ using the $\epsilon,\delta$ definition. +5 Is there a step by step checklist to check if a multivariable limit exists and find its value? +5 Linear algebra : Homework. Show that there exists $n+1$ vectors $u_1,u_2,…,u_n,u_{n+1}$ +5 Is there a faster way to do this? Find an orthogonal matrix $P$ and a diagonal matrix $D$ such that $A=PDP^T$

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28 Tags

 0 homework × 48 0 integral × 4 0 limit × 17 0 functions × 4 0 calculus × 13 0 elementary-number-theory × 3 0 linear-algebra × 8 0 proof-writing × 2 0 probability × 7 0 logic × 2

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