(5-√2)(√5+√2)ब्रैकेट 5 - रूट 2 ब्रैकेट रूट 5 प्लस रूट 2 ब्रैकेट
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Step-by-step explanation:
(5 - √2)(5 + √2)
= (5)² - (√2)²
since, a² - b² =(a +b) (a - b)
= 25 - 2
= 23
hope it helps you!!
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