Math, asked by gyankamal2000, 11 months ago

evalute the following algebraic expressions
x²+y²-z²-3xyz if x=1,z=2

Answers

Answered by Anonymous

0

Answer:

Step-by-step explanation:(1) ^2+ (-1)^2-(2)^2-3x 1 x - 1 x 2

1 + 1 -4+6

4

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