Akar 10+4akar 6÷ akar 10-4akar 6 = a+b akar 6, maka nilai a+b adalah...
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Akar 10+4akar 6÷ akar 10-4akar 6 = a+b akar 6, maka nilai a+b adalah...
1 Jawaban
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1. Jawaban cupid85
√10 + 4√6
-----------------
√10 - 4√6
= ( √10 + 4√6 )( √10 + 4√6 )
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( √10 - 4√6 )( √10 + 4√6 )
= 10 + 8√6 + 96
---------------------------------
10 - 4√60 + 4√60 - 96
= 106 + 8√6
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- 86
= 53 + 8√6
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- 24
= - 53/24 - ⅓√6
jadi a = - 53/24
b = - ⅓