Prove for the following statements
92376
Let $f:A \rightarrow B$ and C ⊂A. Define f[C]={b∈B: b=f(a) for some a∈C}. Prove or disprove each of the statement
85992
how to prove the chain rule?
80009
Prove that $| |a|-|b| | \le |a-b|$
143248
What approach should I take to establish this logical proof?
6514
Prove $T$ has at most two distinct eigenvalues
145447
bilinear form - proof
149287
Prove that $A,B>0$ and $A_{ij}0$
61539
proof for a basis in $L^2$
95379
Prove that $V = V_1 \oplus V_2$ in the following
152084
Binomial-Theorem proof
105367
Proving $||\vec{a}+\vec{b}|| = ||\vec{a}-\vec{b}|| \iff \vec{a} \perp \vec{b}$
61066
Prove: $(A\rightarrow B),(A\rightarrow C)\rightarrow B, \mapsto_{HPC} B $
91740
Hadamard's inequality proof
138436
How to prove reflexivity, symmetry and transitivity for the following relation?
144713
Simple Calculus Proof
132411
Fourier series coefficients proof
94077
Proof of linear independence of $e^{at}$