matrikahatwal1 matrikahatwal1

25-05-2022
Mathematics

contestada

If ' x - 1/x = 4, then x² + 1/x² =

Respuesta :

tanjimahmed2008 tanjimahmed2008

25-05-2022

Answer:

82/9

Step-by-step explanation:

x - 1/x = 4

x - 1 = 4x

-1 = 3x

- 1/3 = x

from there just substitute in x for x² + 1/x² to get:

82/9 or 9.1 recurring

Answer Link

Otras preguntas

Which sentence provides commentary information for elaboration of a concrete detail? A) 8I saw someone eating fried Kool-aid! B) 6You could ride any ride all d

The atomic number of an atom is equal to the number of.. A) electrons plus protons. B) neutrons. C) neutrons plus protons. D) Nuclei. E) protons.

How do u simplify this expression?

Could someone answer/explain these? Thank you!

POINTS 20!!The function P(x) = 3x2 + 4x + 5,is dilated by the function I(x) = P(2x). Write the new function I(x).

a non-profit agency gets 12% reduction from staples. how much will they save on $865.00 printing job?

How sure are you that you'd get the number of 4s you'd expect on 300 rolls? Explain.

Define kinetic energy

Can someone help me find the area of this triangle please

$13,000 invested at an APR of 3.5% for 20 years. The balance in the account after 20 years is