Math, asked by harshitjat2015, 1 month ago

can you answer me please this two questions

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Answers

Answered by atharvarangdale

1

Step-by-step explanation:

Use formula (a+b)(a-b) = a²-b² ; So 4x² - y²
Use formula (a-b)² = a² + b² - 2ab ; So a⁴b² + b⁴a² - 2a³b³

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