How can I prove this equation is correct?
42763
How to prove Vandermonde's Identity: $\sum_{k=0}^{n}\binom{R}{k}\binom{M}{n-k}=\binom{R+M}{n}$?
114270
How do I solve this equation?
137920
Proving an equation with invertible matrices
56697
How to show that the given equation has at least one complex root ,a s.t |a|>12
103501
Question about a normal equation proof
60348
How do I prove $F(a)=F(a^2)?$
128598
How to prove this is a metric?
63559
Is there a more complete way of proving this theorem (that I devised)? OR does this theorem already exist and have a name?
143248
What approach should I take to establish this logical proof?
55206
Prove that the equation $x^4+(2k^2)x^2+2k^4$ is not a perfect square
55210
Prove that the equation: $c_0+c_1x+\ldots+c_nx^n=0$ has a real solution between 0 and 1.
85992
how to prove the chain rule?
67844
Prove equation with binomial coefficient
39908
Finding the error in this proof that 1=2
61604
$V = V_1 + V_2$ confusion? Why is my "proof "incorrect?
75387
A proof that $1=2$. May I know why it’s false?
1932
How to show this equality of $\rho(X,Y)$