Question

Q2 using identity find Solution
(2x-3y) 2​

Answer 1

Answer:

(2x+3y)

2

=(2x)

2

+2(2x)(3y)+(3y)

2

=4x

2

+12xy+9y

2

Aliter: (2x+3y)

2

=(2x+3y)(2x+3y)

=2x(2x+3y)+3y(2x+3y)

=(2x)(2x)+(2x)(3y)+(3y)(2x)+(3y)(3y)

=4x

2

+6xy+6yx+9y

2

[∵xy=yx]

(2x+3y)

2

=4x

2

+12xy+9y

2

Step-by-step explanation:

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Answer 2

( 2x - 3y ) 2

4x - 6y

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