If a=3-23+2 and b=3+23-2, find the value of a2 + b2 – 5ab.

1.	If a=3-23+2 and b=3+23-2, find the value of a2 + b2 – 5ab.
Answer» If $a = \frac{\sqrt{3} - \sqrt{2}}{\sqrt{3} + \sqrt{2}} and b = \frac{\sqrt{3} + \sqrt{2}}{\sqrt{3} - \sqrt{2}}$ , find the value of a² + b² – 5ab.

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