Find the roots of x³-11x² +31 X+21=0
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Answer:
1.95238095238
Step-by-step explanation:
x³- 11x²+31 X+21=0
=x³-42x³+21=0
=21-0=41x³
=21=41x³
=x³=21/41
=x³=1.95238095238
=√1.95238095238
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