Jackson123viz
Jackson123viz
Math
Answered
what is the formula of (x+y+z)²
Sagot :
ReignartGabrielviz
ReignartGabrielviz
The formula for (x + y + z)^2 is
x^2 + y^2 + z^2 + 2xy + 2yz + 2xz
Answer Link
Wilsonroycekingviz
Wilsonroycekingviz
I think there is no formula but there is also a shortcut : (x+y+z)² can also be expressed as x²+y²
+z².
Example:
(2+3+4)² is equal to 2²+3²+4² so, 4+9+16 and the answer is 28.
Answer Link
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