Simulasi Matematika IPS 2019
15. Nilai dari -1∫ 1 (4x2 - 12x + 9) dx yaitu ...
A. 24 4/6
B. 24 3/6
C. 20 4/6
D. 20 1/6
E. 16 1/6
Jawaban : C
-1∫ 1 (4x2 - 12x + 9) dx
=[4/3 x3 - 6x2 + 9x + C ]-1 1
=(4/3 13 - 6. 12 + 9 . 1 + C ) - (4/3 -13 - 6. -12 + 9 . -1 + C )
= 4/3 - 6 + 9 + C + 4/3 + 6 + 9 - C
= 8/3 + 3 + 15
= 8/3 + 18
= 2 2/3 + 18
= 20 2/3
= 20 4/6
15. Nilai dari -1∫ 1 (4x2 - 12x + 9) dx yaitu ...
A. 24 4/6
B. 24 3/6
C. 20 4/6
D. 20 1/6
E. 16 1/6
Jawaban : C
-1∫ 1 (4x2 - 12x + 9) dx
=[4/3 x3 - 6x2 + 9x + C ]-1 1
=(4/3 13 - 6. 12 + 9 . 1 + C ) - (4/3 -13 - 6. -12 + 9 . -1 + C )
= 4/3 - 6 + 9 + C + 4/3 + 6 + 9 - C
= 8/3 + 3 + 15
= 8/3 + 18
= 2 2/3 + 18
= 20 2/3
= 20 4/6
>>>Soal Simulasi IPS No 16
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