April 2022 0 4 Report
3. Perhatikan bentuk berikut (x + y + z) ^ 2 = x ^ 2 + y ^ 2 + z ^ 2 + 2(xy + yz + xz) x + y + z = 7

x ^ 2 + y ^ 2 + z ^ 2 = 9

x × y × z = 5

1/x + 1/y + 1/z =?

Lebih jelasnya ada di foto ya​

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