Question

Write the coefficient of y in the expanion of (5-y)^2​

Answer 1

Answer:

-10

Step-by-step explanation:

(5-y)² = 5² + y² - 2(5)(y)

⇒ 25 + y² -10y

The coefficient of y in expansion of (5-y)² is -10

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Answer 2

Answer:

-5 is ur coefficient

Step-by-step explanation:

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