Question

2x – Зу + 2 find the square of follow ing identity
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Answer 1

Answer:

We know (a−b)

We know (a−b) 2 =a 2 +b 2 −2abUsing this identity, we get ( 2x − 3y ) 2 =( 2x ) 2 +( 3y ) 2 −2× 2x × 3y

We know (a−b) 2 =a 2 +b 2 −2abUsing this identity, we get ( 2x − 3y ) 2 =( 2x ) 2 +( 3y ) 2 −2× 2x × 3y = 4x 2 + 9y 2 − 3xy