dinasamuel84
dinasamuel84 dinasamuel84
  • 26-03-2020
  • Mathematics
contestada

Find the square root of 7-2√5​

Respuesta :

trinityphillips93
trinityphillips93 trinityphillips93
  • 26-03-2020

Answer:√5 - √2

Step-by-step explanation:

= √(5 + 2 - 2√10 )

= √{(√5)² +(√2)² - 2.√5.√2}

= √(√5 - √2)² (by identity a² + b² -2ab = ( a-b)²)

= √5 - √2

Answer Link
sosasarah77
sosasarah77 sosasarah77
  • 26-03-2020

5√5 = 11.8033989 or -2√5+7

Answer Link

Otras preguntas

Given the function f(x) = 4(x+3) − 5, solve for the inverse function when x = 3.
what is the main piece of computer software on which every other piece of software relies?
The size of a bicycle is determined by the diameter of the wheel. You want a 24-in bicycle for Christmas. What is the circumference of the wheels
Find the product -mnp(3m-5n+7p)
What is the value of x in the equation 3(2x + 8) = 0? –8 –4 4 8
In the 1930s, Germany first began to expand aggressively by
Is y=arcsec(1) equivalent to 0? Thanks!
what does orbited mean
how to combine fraction
A line passes through the point (–2, 4), and its y-intercept is (0, –6). What is the equation of the line that is perpendicular to the first line and passes thr