Question

If (x-1/x) =5, find the value of (x³-1/x³).​

Answer 1

Answer:

ans :140

Step-by-step explanation:

please mark as brainlist

Answer 2

Answer:

Plz Mark it as BRAINLIEST plz

Step-by-step explanation:

Given, x−x1=5

Squaring both the sides,

⇒(x−x1)2=52

⇒x2+x21−2(x)(x1)=25

⇒x2+x21=25+2

⇒x2+x21=27

Now,

x3−x31

=(x−x1)[(x)2+(x1)2+(x)(x1)]

=5(27+1)

=140