Keyla traveled 2155 kilometers by car to visit some relatives. If 1 km is approximately 0.62 miles, then what is the number of m
1 answer:
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Via Lagrange multipliers:
So we have four critical points to consider,
. If both coordinates are positive or both are negative, we get a maximum value of 
; otherwise, we get a minimum of 
.
So we have four critical points to consider,