{ x^1/3 - x^-1/3} ( x^2/3 +1+ x^-2/3
Answers
Answered by
0
Step-by-step explanation:
x
3
1
+x
3
−1
)(x
3
2
−1+x
3
−2
)
=(x
3
1
+x
3
−1
)[(x
3
1
)
2
−(x
3
1
)(x
3
−1
)+(x
3
−1
)
2
]
Let x
3
1
=a and x
3
−1
=b
Now the expression is equivalent to:
(a+b)(a
2
−ab+b
2
)=a
3
+b
3
⟹(x
3
1
)
3
+(x
3
−1
)
3
=x+x
−1
=x+
x
1
Answered by
0
Answer:
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