Question

$( {2a}^{2} + 9)( {2a}^{2} + 9)$
solve using suitable identity​

Answer 1

Answer:

2plae r square and 10 plae r square

Answer 2

Answer:

(a + b )²

= a² + 2ab + b²

(2a² + 9) ²

= 2a³ + 2×2a² + 9²

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