Question

If a is equal to 2+ root 5 upon 2- root 5 and b is equal to2- root 5 upon 2+ root 5 , then find the value of a square minus b square

Answer 1

Answer:

1440

Step-by-step explanation:

I hope that above procedure helps u

Answer 2

Answer:

1440

Step-by-step explanation:

The answer is in attachment

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