(a215b+a-215b)(a215b-a-215b)(a\xbc+a-\xbc)(a\xbd+a-\xbd), kalo gk bisa, skip aja

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(a⅛+a-⅛)(a⅛-a-⅛)(a¼+a-¼)(a½+a-½)

jawab \: yeuh
kalo gk bisa, skip aja​

Jawaban:

a − 1/a

Penjelasan dengan langkah-langkah:

(x+y)(x-y) = x² -y²

a.b.c.d = ab . cd

(a⅛+a-⅛)(a⅛-a-⅛)(a¼+a-¼)(a½+a-½) = (a⅛+a-⅛)(a⅛-a-⅛) (a¼+a-¼)(a½+a-½)

= (a¹/₄ – a⁻¹/₄) (a¼+a-¼) (a½+a-½) = (a½ – a-½) (a½+a-½) = a – a⁻¹ = a – 1/a


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