Question

Q13.Using identity, Find the (a 2 +b 2 ) (a 2 −b 2 )​

Answer 1

( a² + b² ) ( a² - b² )

Using the identity

• ( a + b ) ( a - b ) = a² - b²

( a² ) ² - ( b² ) ²

Answer ➡ a⁴ - b⁴

Answer 2

Answer:

a²-b²

Step-by-step explanation:

(a²+b²)(a²-b²)

a⁴-a²b² +b²a²-b⁴

(a²)² -(b²)²

a²-b²

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