Minta bantuannya ya, disertai caranya juga. makasih
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Bagian a. Mencari nilai b : ⅓-3/4-2 <=> b = -4/3 <=> U2 = a+b <=> 3 = a-4/3 <=> a = 13/3 <=> S5 = 5/2 (2(13/3) + 4(-4/3)) <=> S5 = 25/3 ,,,,,,,,,,, Bagian b. Mencari nilai b : 128+4/9-4 <=> b = 26,4 <=> U4 = a+3b <=> -4 = a+3(26,4) <=> a = -83,2 <=> S5 = 5/2 (2(-83,2) + 4(26,4)) <=> S5 = -152
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