## Solution to Principles of Mathematical Analysis Chapter 10

Chapter 10 Integration of Differential Forms Exercise 2 (By analambanomenos) The $\varphi_i(x)\varphi_i(y)$ has support in the square $2^{-i}<x<2{-1+1}$, $2^{-i}<y<2{-1+1}$, and the $\varphi_{i+1}(x)\varphi_i(y)$ term has support in the rectangle $2^{-i-1}<x<2{-1}$, $2^{-i}<y<2{-1+1}$,…