4) What is the coefficient of y in the expansion of (2-y)²
Answers
Answered by
5
Answer:
(2 - y )²
= 4 - y²
the coefficient of y is 1.
Hope it helps you.
Answered by
2
Answer:
The coefficient of y is -4.
Step-by-step explanation:
expansion of (2-y)^2.
(2-y)^2
= 2^2 - 2×2×y + y^2
= 4 - 4y + y^2
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