Math, asked by ben3304, 5 months ago

Find the square of the following by using suitable identity.

(b) 2x - 5y

Answers

Answered by saritabajpai191

2

Answer:

identity-2 (a-b)²= a²+b²-2ab

(2x-5y)²= (2x)²+(5y)²-2(2x)(5y)

= 4x²+25y²-20xy

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