# jp24

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# 34 Questions

 6 Solving an equation with fractional powers 5 When $\;\text{FALSE}\implies P(x),\;$ is $P(x)\;$ false? 2 How to show $i^{-1} = -i$? 2 Range of variance 2 Maneuvering normal distribution inequality

# 314 Reputation

 +2 A proportionality puzzle +5 Solving the recurrence $T (n) = \sqrt{n} T(\sqrt{n}) + O (n)$ +10 How to show $i^{-1} = -i$? +5 Prove rank $A^TA$ = rank $A$ for any $A_{m \times n}$

 2 Solving an equation with fractional powers 0 Factorizing expression with exponents 0 Solving for the radius given a circumscribed triangle

# 27 Tags

 2 algebra-precalculus × 8 0 probability × 3 2 exponentiation × 2 0 geometry × 3 0 linear-algebra × 9 0 physics 0 inequality × 3 0 calculus 0 asymptotics × 3 0 normal-distribution

# 22 Accounts

 Stack Overflow 631 rep 418 Mathematics 314 rep 113 TeX - LaTeX 274 rep 14 Unix & Linux 243 rep 17 Physics 159 rep 7