Math, asked by dsurya7491, 1 year ago

by using algebraic identities solve this problem - 2 X + 3 Y - 7 Z Square

Answers

Answered by gameofmidnight

0

Step-by-step explanation:

the identity used

(a+b+c)^2 = a^2 +b^2 +c^2 + 2ab+ 2bc+2 ac

(-2x+3y-7z)^2 = 4x^2 +9y^2 + 49z^2 - 12xy -42yz + 28xz

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