(√2-2)*(√2-2)
please help
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Step-by-step explanation:
I think it's the right answer becoz i tried .
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Step-by-step explanation:
(√2-2)*(√2-2)
(√2-2)²=(√2)²-2(√2)(2)+2
=2-4√2+2
=4-4√2
=4(1-√2)
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