SOLUTION: Express (2squareroot 7)cubed in the form a squareroot 7 where a is an integer.
I can get answer on calculator I just don't understand how to get it.
Algebra ->
Square-cubic-other-roots
-> SOLUTION: Express (2squareroot 7)cubed in the form a squareroot 7 where a is an integer.
I can get answer on calculator I just don't understand how to get it.
Log On
Question 233292: Express (2squareroot 7)cubed in the form a squareroot 7 where a is an integer.
I can get answer on calculator I just don't understand how to get it. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Express (2sqrt 7)^3 in the form a squareroot 7 where a is an integer.
----------------------------
(2sqrt(7))^3 = (2sqrt(7))^2*(2sqrt(7)
---
= 4*7*2sqrt(7)
= 56sqrt(7)
==================
Cheers,
Stan H.
(