Jika p = 2 - √3 dan q = 2+ √3, maka hasil dari 2p/q =
A. 14 - 8√3
B. 8 - 4√3
C. 8 + 4√3
D. 4 + 8√3
E. 14 + 8√3
A. 14 - 8√3
B. 8 - 4√3
C. 8 + 4√3
D. 4 + 8√3
E. 14 + 8√3
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Verified answer
Jawabhasil dari
2p /q = 2(2- √3) /(2 + √3)
= 2 (2 - √3)(2 - √3) / (2 + √3)(2 - √3)
= 2 (4+3 - 4√3)/( 4 -3)
= 2 (7 - 4√3)
= 14 - 8 √3