(A+B)2 = (A+B).(A+B) =A2+AB+BA+B2 =A2+2AB+ B2 So the Answer is A + B the whole square is equal to A square plus 2AB plus B square. Avinash.
8
22.5166605
it is equal to 6y plus y
not cool
(x - y)2 >= 0 since the left hand side is a square. ie x2 - 2xy + y2 >= 0 so x2 + y2 >= 2xy
I believe that's usually treated as an axiom, meaning you don't prove it.
Windowits equal 2square: example:square5+square5=2square5
use you brain
square root of 27 plus the square root of 75
windows
4.7916427e+21
11.3137
SymbolName+addition sign, plus sign-subtraction sign, minus signx or ⋅multiplication sign÷ or /division sign=equal≠not equal<less than>greater than≤less than or equal to≥greater than or equal to#number sign( )parentheses&and (ampersand)%percentπpi|x|absolute value of x√square root!factorial±plus or minusˆcaret - to the power of
if x is equal to the square root of 81 then x is ±9 (plus or minus 9)
4 + 16 = 20
The two inequalities define a region of the coordinate plane: there is no unique solution.