Question

find the value of (3+2√2) (3-2√2)​

Answer 1

Step-by-step explanation:

find the value of (3+2√2) (3-2√2)

Answer 2

Since, (a+b) (a-b) = a²-b²

(3+2√2) (3-2√2) = 3²-(2√2)²

3²-(2√2)² = 9-4

=> 5

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