Akar 72 – 2 akar 8 – 7 akar 2

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Akar 72 – 2 akar 8 – 7 akar 2

Jawaban Terkonfirmasi

√72 – 2√8 – 7√2
= √36×2 – 2√4×2 – 7√2
= 6√2 – 2.2√2 – 7√2
= 6√2 – 4√2 – 7√2
= -5√2

√72-2√8-7√2
=√36.√2-2√4.√2-7√2
=6√2-4√2-7√2
=-5√2