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Mathematics
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sam
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  • Last seen more than 2 years ago
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2
Prove that $(ab = -b )\land (a\ne 0)\implies a+1=0$
Jan 24, 2021
2
If $b ∈ \Bbb Z$, then there is no integer a such that $b < a < b + 1$
Feb 1, 2021
1
Prove $\gcd(4,10)≠1$
Feb 24, 2021
1
Using binomial theorem to express $ \frac{1}{\sqrt{5}} \ [((\sqrt{5}/2)+(1/2))^{10} - (-(\sqrt{5}/2)+(1/2))^{10}]$ as a single finite series
Mar 7, 2021
1
Strong Induction proof : $x_k = 1/2(x_{k+1}+x_{k-1})-1$ holds for all integers $k∈Z_{≥0}$
Mar 7, 2021
1
how to give elements of $A × B$ and $A ∩ B$
Mar 7, 2021
1
Determine convergence of $\sum_{n=1}^{\infty}a_n$
Mar 19, 2021
0
Calculus - Calculate Work done to lift water out of tank
Jan 30, 2021
0
I am trying to prove gcd$(8,20) = 4$
Feb 24, 2021
0
Trying to prove by induction that $\sum_{i=1}^{k} F_{2i}=F_{2k+1}-1$ for all $k∈N$ [duplicate]
Feb 24, 2021