if x+1/x=5 then evaluate x6+1/x6
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Answered by
4
given;x+1/x=5
find x6+1/x6
x3+1/x3=(x+1/x)3-3(x+1/x)
=53-3(5)
=125-15
=110
therefore x3+1/x3=110
(x3)2+(1/x3)2=(x3+1/x3)2-2
=1102-2
= 12100-2
x6+1/x6=12098
find x6+1/x6
x3+1/x3=(x+1/x)3-3(x+1/x)
=53-3(5)
=125-15
=110
therefore x3+1/x3=110
(x3)2+(1/x3)2=(x3+1/x3)2-2
=1102-2
= 12100-2
x6+1/x6=12098
Answered by
2
x+1/x=5
then,
x^6+1/x^6=5^6
x^6+1/x^6=15625
hope it will help you
then,
x^6+1/x^6=5^6
x^6+1/x^6=15625
hope it will help you
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