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Verified answer
Bentuk Akar dan Pangkat1||
Operasi #
{4 + (78 # -6)} x 5
= {4 + (78/-6 + (-6))} x 5
= {4 + (-19)} x 5
= -15 x 5
= -75 (B)
2||
(∛7²)³
= (∛49)³
= ()³
=
= 49 (C)
3||
Merasionlakan Penyebut Pecahan bentuk akar
√3 + 2 sekawan dengan √3 - 2
maka,
x
⇒
⇒
⇒ 10 - 5√3 (B)
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