December 2019 1 220 Report
PREDIKSI SOAL UJIAN NASIONAL MATEMATIKA IPA 2019

⇒ Bentuk sin⁴3x - cos⁴3x akan identik dengan 1 - acos²bx , maka nilai a² + b² + 2ab = ... ?

⇒ Misalkan persamaan kuadrat 3x² + (a+2)x + 1 = 0, mempunyai akar-akar berkebalikan dengan akar-akar persamaan kuadrat x² + x + (b+2) = 0. Nilai 6a + 8b = ... ?

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