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Akimi4 [234]
3 years ago
6

9. What is the coefficient of y^2? in the expansion of (x + y)^2??

Mathematics
1 answer:
klemol [59]3 years ago
3 0

Answer:

The coefficient of y² will be 1, which we can see when we expand the expression:

(x + y)²

= (x +y)(x + y)

= x² + xy + xy + y²

= x² + 2xy + y²

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