(6+4)+2=6+(4+2)
anyone can please solve this question
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Step-by-step explanation:
(6-4√2)/(6+4√2) × (6-4√2)/(6-4√2)
= (6-4√2)²/(6²-(4√2)²)
= {6²+(4√2)² - 2(6)(4√2)}/(36-32)
= {36+32-48√2}/4
= (68-48√2)/4
= 68/4 - 48√2/4
= 17 - 12√2
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