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(4√3 x 3√3) - (4√3 x 2√2) - (√2 x 3√3) + (√2 x 2√2)
(12 x 3) - (8√6) - (3√6) + (2 x 2)
36 - 8√6 - 3√6 + 4
40 - 11√6,,
caranya:
(4√3 - √ 2) (3√3 - 2√2) = 12√9 - 8√6 - 3√6 + 2√4
= 12x3 - 8√6 - 3√6 + 2x2
= 36 - 8√6 - 3√6 + 4
= 36 + 4 - 8√6 - 3√6
= 40 - 11√6