Math, asked by mails4shynimathew, 9 months ago

(x-y+z)² + (x-y-z)² + (x + y -z)2​

Answers

Answered by sbosej7nxt
1

Answer:

Step-by-step explanation:

=X²-Y²+Z²+X²-Y²-Z²+X²+Y²-Z²

=X²+X²+X²-Y²-Y²+Y²+Z²-Z²-Z²

=3X²-Y²-Z²

=4X²-X²-Y²-Z²

=4X²-(X²+Y²+Z²)

=(2X)²-(X+Y+Z)²

=(2X+X+Y+Z)(2X-X-Y-Z) [BY FORMULA (A²-B²)]

=(3X+Y+Z)(X-Y-Z) [ANSWER]

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