# jpp

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# 38 Questions

 6 Solving an equation with fractional powers 5 When $\;\text{FALSE}\implies P(x),\;$ is $P(x)\;$ false? 5 Prove rank $A^TA$ = rank $A$ for any $A_{m \times n}$ 3 What's the intuition for why repeated div and mod converts a number to another base? 2 How to show $i^{-1} = -i$?

# 368 Reputation

 +5 Finding multiple functions with same $f_{even}$ but different $f_{odd}$? +2 How do I get the square root of a complex number? +5 Prove rank $A^TA$ = rank $A$ for any $A_{m \times n}$ +5 What's the intuition for why repeated div and mod converts a number to another base?

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

# 33 Tags

 2 algebra-precalculus × 8 0 geometry × 3 2 exponentiation × 2 0 asymptotics × 3 0 linear-algebra × 10 0 calculus × 2 0 probability × 3 0 combinatorics 0 inequality × 3 0 complex-numbers

# 25 Accounts

 Stack Overflow 971 rep 1823 Mathematics 368 rep 115 TeX - LaTeX 281 rep 18 Unix & Linux 253 rep 310 Physics 159 rep 10