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= 34
ket : V = akar
jadi menggunakan penjabaran seperti ini :
(a-b)(a+b)
=a² - b²
jadi, (3√6 -2√5)(3√6 + 2√5)
=(3√6)² - (2√5)²
=(3².√6²) -(2².√5²)
=(9.6) - (4.5)
=54 - 20
=34