Prove reduction formula
12653
Prove $\int\cos^n x \ dx = \frac{1}n \cos^{n-1}x \sin x + \frac{n-1}{n}\int\cos^{n-2} x \ dx$
103055
Proving the quotient rule for limits
91684
Prove the following equation(much needed help):
136304
Prove: $2^b-1\mid{}2^a-1 \iff b\mid{}a$
77076
Proof that $(x-1)^2$ divides a $nx^{n+1} – (n+1)x^{n}+1$
14784
Inductive proof of the closed formula for the Fibonacci sequence
145900
Proof of a double summation reduction identity
138914
Reduction formula for $\int \tan^n x dx$
15452
Proving determinant product rule combinatorially
20736
Prove the relation $R$ in $N \times N$ defined by $(a,b) \simeq (c,d)$ iff $ad=bc$ is an equivalence relation.
157601
Proof a formula of the Fibonacci sequence with induction
46780
Proving $((a\bmod n) (b\bmod n))\bmod n = ab\bmod n $
157939
prove that a graph is one-ended
58526
Proving Legendre's Formula
147111
Where is the Proof for the Sum-to-Product rule derrived from?
38206
Prove Pascal's Rule Algebraically
14646
Prove $\det(kA)=k^n\det A$