Question

x^3-1/x^3 Find the value. if X-1/x is value is24/5​

Answer 1

Answer:

−

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x

1

)

2

=5

2

⇒x

2

+

x

2

1

−2(x)(

x

1

)=25

⇒x

2

+

x

2

1

=25+2

⇒x

2

+

x

2

1

=27

Now,

x

3

−

x

3

1

=(x−

x

1

)[(x)

2

+(

x

1

)

2

+(x)(

x

1

)]

=5(27+1)

=140

Answer 2

Answer:

x^3-1/x^3=-19/5

Step-by-step explanation:

x-1/x=24/5

5(x-1)=24x

5x-5=24x

5x-5-25x=0

-19x-5=0

x=5/-19

.

.

x=-5/19