Math, asked by cheentaku, 8 months ago

find the square of 2x-5y by using identities

Answers

Answered by futurevarshu

8

Answer:

4x² +9y²-12xy

Step-by-step explanation:

(2x-5y)²

(a-b)² = a² + b² -2ab

a = 2x b = 5y

(2x-5y)² = (2x)² +(3y)² - 2 (2x)(3y)

= 4x² +9y²-12xy

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