Math, asked by guptasuvam972, 2 months ago

pls show the steps and I will mark you brainliest

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Answered by dhasitakaanu70

0

Step-by-step explanation:

1. (a + b)² = a² + 2ab + b²

(4a²)² + 2× 4a² × 7b² + (7b²)²

(4a²+ 7b²)²

2. 81a² + 4

(9a)² + (2)²

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