13 Things Mentally Strong Parents Don't Do: Raising Self-Assured Children and Training Their B

13 Things Mentally Strong Parents Don't Do: Raising Self-Assured Children and Training Their B

Matematika Tentukan suku ke -50 dari barisan aritmatika
4,1,-2,-5

Tentukan suku ke -50 dari barisan aritmatika
4,1,-2,-5

Jawab:

Penjelasan dengan langkah-langkah:

Un = a + (n-1)

U50 = 4 + (50-1) (-3)

U50 = 4 + (49) (-3)

U50 = 4 + (-147)

U50 = -143

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