Habis di bagi x-4 : f(4) = 0
f(4) = 0 = 1/2 .4⁴-2a(4)²+2a²
0 = 1/2 . 2⁸ - 2⁴.2a+2a²
0 = 2⁷-2⁵a+2a²
0 = 2⁶-2⁴a+a²
0 = a²-2.2³a+(2³)²
0 = (a-2³)²
a = 2³ = 8
itu cara penyelesaiannya semoga membantu
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Habis di bagi x-4 : f(4) = 0
f(4) = 0 = 1/2 .4⁴-2a(4)²+2a²
0 = 1/2 . 2⁸ - 2⁴.2a+2a²
0 = 2⁷-2⁵a+2a²
0 = 2⁶-2⁴a+a²
0 = a²-2.2³a+(2³)²
0 = (a-2³)²
a = 2³ = 8
itu cara penyelesaiannya semoga membantu