if x^2+1/x^2=96 find x^3-1/x
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0
Step-by-step explanation:
59 exceeds a number by 12
2) 1 more than twice a number is thrice the number.
3) A number when subtracted from 14 equals 9 more than 4 times the number.
Answered by
0
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Given,
x
2
+
x
2
1
=98
(x+
x
1
)
2
=x
2
+
x
2
1
+2
98+2=100
∴x+
x
1
=10
(x+
x
1
)
3
=x
3
+
x
3
1
+3(x+
x
1
)
x
3
+
x
3
1
+3(x+
x
1
)=1000
x
3
+
x
3
1
=1000−3(10)=970
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