[b.] 11
Penjelasan:
[tex]\sf(6-x)^{x^{2} +7x+12} =1\\\\(6-x)^{(x + 3)(x + 4)} =1[/tex]
6 - x = 1 atau 6 - x = -1 atau (x + 3)(x + 4) = 0
x = 5 atau x = 7 atau x + 3 = 0 atau x + 4 = 0
x = 5 atau x = 7 atau x = -3 atau x = -4
p, q, r, s diurut dari terkecil ke terbesar.
p = -4
q = -3
r = 5
s = 7
p - q + r + s = (-4) - (-3) + 5 + 7
= -4 + 3 + 5 + 7
= 11
Jadi hasilnya 11 [b.].
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[b.] 11
Penjelasan:
[tex]\sf(6-x)^{x^{2} +7x+12} =1\\\\(6-x)^{(x + 3)(x + 4)} =1[/tex]
6 - x = 1 atau 6 - x = -1 atau (x + 3)(x + 4) = 0
x = 5 atau x = 7 atau x + 3 = 0 atau x + 4 = 0
x = 5 atau x = 7 atau x = -3 atau x = -4
p, q, r, s diurut dari terkecil ke terbesar.
p = -4
q = -3
r = 5
s = 7
p - q + r + s = (-4) - (-3) + 5 + 7
= -4 + 3 + 5 + 7
= 11
Jadi hasilnya 11 [b.].