Math, asked by sakshichaurasia59, 6 days ago

the coefficient of xy in the expansion of (2x+7y)^2

Answers

Answered by Mithran2

0

Answer:

For X: 2

For Y: 7

Step-by-step explanation:

Coefficient means the number before the variable ( the letter)

Answered by limbuprashant789

0

Answer:

coefficient of xy is 28.

Step-by-step explanation:

(2x+7y)^2

(2x)^2+2.2x.7y+(7y)^2 [(a+b)^2=a^2+2ab+b^2]

4x^2+28xy+49y^2.

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