Simplify the expression:
(4 + sqrt2)^2
Thanks for all of your help.
2007-10-29 02:53:59 · 5 answers · asked by lexismom2005 1 in Science & Mathematics ➔ Mathematics
this is just like a normal thing... just w/ sqrt's instead, so don't be intimidated...
[4 + sqrt(2) ]^2 =
=16 + 8sqrt(2) +2
=18 + 8sqrt(2)
2007-10-29 03:00:50 · answer #1 · answered by sayamiam 6 · 1⤊ 0⤋
16+8 sqrt of 2+2= 18 +8 Sqrt of 2=
2007-10-29 03:42:17 · answer #2 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
use the formula (a+b)^2 = a^2+2ab+b^2
(4+sqrt2)^2= 4^2 + 2(4)(sqrt2)+(sqrt2)^2
=16 + 8sqrt(2) + 2
=18+8sqrt(2)
2007-10-29 03:08:45 · answer #3 · answered by MARS 3 · 1⤊ 0⤋
(4+sqrt2)^2=16+8(sqrt2)+2=18+8.sqrt2
2007-10-29 02:59:31 · answer #4 · answered by PMH 1 · 1⤊ 0⤋
29.3137085
2007-10-29 02:58:09 · answer #5 · answered by fcas80 7 · 0⤊ 1⤋