a^2-60a+1.44=0求解a

a^2-60a+1.44=0求解a
2025-05-13 07:30:04
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回答(1):

解:
a²-60a+1.44=0
a=(60±√(3600-1.44x4))/2
a=(60±√(3594.24))/2
a1≈59.97599
a2≈0.02400961