visionyt3
visionyt3
06-01-2021
Mathematics
contestada
if x^2 + 1/x^2 = 98 find x + 1/x
Respuesta :
nightmare688
nightmare688
06-01-2021
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)=
Answer Link
VER TODAS LAS RESPUESTAS ( 63+ )
Otras preguntas
Writing with Dialogue My brother Patrick sat on his bed and waited patiently for me to begin. As I held the speech in my right hand, I felt the page crin
The shapes and the thickness of the walls of the right ventricle compared to the left are
Brian is struggling with himself. he's always been a good student, but lately his grades have been slipping a little bit. he feels like he has nothing in common
Only children who hang out with peers that carry weapons are the ones most likely to bring guns to school
At 4:00 AM the outside temperature was -28°F by 4:00 PM that same day it was 38° what is the sum?
HELP ASAP!!!:) Poe is widely considered to be the central figure of _____________, but his best known fiction works are ______________. Question options: ♦ficti
What is the basic particle from which all elements are made
A children's liquid medicine contains 100mg of active ingredient in 5 mL. If a child should receive 200 mg of the active ingredient how many mL of the medicine
A magazine photographed is 24 cm long and 16 write each ratio
Pickett, inc. recorded its monthly transactions in the journal, but failed to record a transaction involving cash received from customers on january 14. assumin
