expand [x-1/2y+1/3z]^2
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Answer:
x²-1/4y+1/9z
Step-by-step explanation:
(x - 1/2 y + 1/9 z)²
= x*x - (1/2*1/2) y + (1/3*1/3)z
= x*x - (1/2*1/2) y + (1/3*1/3)z= x²- 1/4 y + 1/9 z
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