x+1/x=5,find x^3+1/x^3
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Answered by
12
Answer:
x+
x
1
=5
→cubing,(x+
x
1
)
3
=125
→x
3
+
x
3
1
+3(x+
x
1
)=125
→x
3
+
x
3
1
=125−15=110
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Answered by
0
Answer:
hope it helps you good luck
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