austinpauly2005 austinpauly2005
  • 13-05-2020
  • Mathematics
contestada

(√3-√5)(√5+√3)/7-2√5

Respuesta :

TheUnknownScientist
TheUnknownScientist TheUnknownScientist
  • 13-05-2020

Answer:

= - 14 - 4√5/ 29

Step-by-step explanation:

(√3-√5)(√5+√3)/7-2√5

= √15 + 3 - 5 - √15/7 - 2√5

= - 2/7 - 2√5

= - 2/7 - 2√5 x 7 + 2√5/7 + 2√5

= - 14 - 4√5/49 + 14√5 - 14√5 - 20

= - 14 - 4√5/ 29

Answer Link

Otras preguntas

2. IQS = 4 and QR is a perpendicular bisector of TS , determined which of the following claims is true
Which example most clearly describes part of a rhetorical situation? A.The rhetorical appeals a speaker makes to show his authority B. An elaborate analogy that
What do you do if the exponent is a negative number?
A solenoid of length 2.40 m and radius 1.70 cm carries a current of 0.190 A. Determine the magnitude of the magnetic field inside if the solenoid cons
This law relates a planet's orbital period and its average distance to the Sun. The orbits of planets are ellipses with the Sun at one focus. The speed of a pla
What is endocrine system? What are its functions? Name the important endocrine glands present in a human body. Draw a labelled diagram to show the positions of
convert 5.6cm squared into mm squared
Good morning mates. Have a blessed day
Economic Integration and Contemporary Revolutions
Last week Betty practiced her guitar for 45 minutes on Monday, 25 minutes on Tuesday, 35 minutes on Wednesday, 20 minutes on Thursday, and 40 minutes on Friday.