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Sergeeva-Olga [200]
3 years ago
10

Help me pls. answer correct

Mathematics
1 answer:
siniylev [52]3 years ago
3 0

Answer:

1st answer is

(x.y) = ( \frac{38}{5} . \frac{2}{5} ) \\

2nd answer is (x, y) =(36, 45)

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What is the coefficient of X^2Y^2 in the expansion of (x+y)^4
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Answer:

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We want to expand this; (x + y)⁴

This can be written as;

(x + y)² × (x + y)²

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