Question

factorise (a+√b)(a-√b)-(b-√a)(b+√a) pls solve and help me fast
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Answer 1

Step-by-step explanation:

(a+✓b)(a-✓b)-(b-✓a)(b+✓a)

a² -✓b² -(b² -✓a²)

a² -b -b²+a

2a² -2b²