Given -LSB- math -RSB- A -LSB- / math -RSB- , What is the general formula of -LSB- math -RSB- A ^ n -LSB- / math -RSB- ? If -LSB- math -RSB- A = \ begin -LCB- pmatrix -RCB- -2 & 4 \ \ -5 & 7 \ end -LCB- pmatrix -RCB- -LSB- / math -RSB- , what is the -LSB- math -RSB- A ^ n -LSB- / math -RSB- ?
What are some substitutes for chicken stock in recipes that call for it ?