Suku ke 50 barisan bilangan 3,7,11,15 adalh...??
Matematika
brita336
Pertanyaan
Suku ke 50 barisan bilangan 3,7,11,15 adalh...??
2 Jawaban
-
1. Jawaban Iqrar99
a =3
b = 7 - 3 = 4
U50 = a + 49b
= 3 + 49 x 4
= 199 -
2. Jawaban DesyamGG
Un=a+(n-1)b. b=7-3=4
U50=3+(50-1)4
=3+196
=199