Question

3 plus root 5 into 3 minus root 5

Answer 1

Your answer is 9

3+root 5*3-root 5

Root 5 get cancelled

And 3*3 is 9

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Answer 2

Answer:

4

Step-by-step explanation:

(3+) (3-

Using the identity: (a+b)(a-b)= a^2-b^2

(3+) (3-

                     = 9 - 5

                    =4

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