Jawaban:
B.20
Penjelasan dengan langkah-langkah:
(x-y²)²=4²
x²+y⁴-2xy²=16
15-2xy²=16
2xy²=-1
y²=-1/2x
x-(-1/2x)=4
2x²+1=8x
2x²-8x+1=0
-(-8)+√64-8/4
8+√56/4
8+2√14/4
4+√14/2
a+b½/c
a=4,b=14,c=2
a+b+c=20
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Jawaban:
B.20
Penjelasan dengan langkah-langkah:
(x-y²)²=4²
x²+y⁴-2xy²=16
15-2xy²=16
2xy²=-1
y²=-1/2x
x-(-1/2x)=4
2x²+1=8x
2x²-8x+1=0
-(-8)+√64-8/4
8+√56/4
8+2√14/4
4+√14/2
a+b½/c
a=4,b=14,c=2
a+b+c=20