Math, asked by akashsingh5439, 1 year ago

X=2015
Y=2014
Z=2013 then that value of x^2+y^2+z^2-xy-yz-zx is

Answers

Answered by Prabhasini

0

(x+y-z)^2=x^2+y^2+z^2+2(xy-yz-zx)

(2015+2014-2013)^2=(2016)^2

=4064256(ans)

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