Question

.(2a+3b) ( 2a +3b)= ​

Answer 1

Answer:

2a²+6ab+6ab+9b²

2a²+9b²+12ab

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Answer 2

Answer:

4a² + 9b² + 12ab

Step-by-step explanation:

( 2a + 3b ) ( 2a + 3b )

= ( 2a + 3b )²

Formula / Identify : -

( x + y )² = x² + y² + 2xy

Here,

x = 2a

y = 3b

( 2a + 3b )²

= ( 2a )² + ( 3b )² + 2 ( 2a ) ( 3b )

= 4a² + 9b² + 12ab