if x+1/x =10.Fnd the value of x*2+1/x*2.
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Answered by
5
Step-by-step explanation:
A car starts from rest and picks up a velocity of 20 m/s in 10 seconds. Calculate the acceleration of the car. - 448181.
Top answer · 27 votes
As car starts from rest u=0 v=20m/s, t=10m/s by the first equation of motion v=u+at, 20m/s=0+a10s, hence by solving above we get a =2m/s square More
Answered by
2
Step-by-step explanation:
Given, x−
x
1
=5
Squaring both the sides,
⇒(x−
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
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