How do you solve the equation #sqrth=9#?
1 Answer
Apr 28, 2017
Explanation:
#sqrth=9#
#"to 'undo' the root "color(blue)"square both sides"#
#"note" (sqrt100)^2=sqrt100xxsqrt100=10xx10=100#
#"that is we obtain the value inside the root"#
#rArr(sqrth)^2=9^2#
#rArrh=81" is the solution"#
