Question

Hasil x tambah 1 per x=3,maka x kuadrat tambah 1 per x kuadrat=?

Answer 1

x + 1 = 3 ⇔ 3x = x + 1 ⇔ 3x - x = 1 ⇔ 2x = 1 ⇔ x = 1/2
   x
x² + 1 = 1 + 1/x² = 1 + 1/(1/2)² = 1 + 1/(1/4) = 1 + 4 = 5
   x²

Answer 2

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semoga membantu :)