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August 2022
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sedinalana
Verified answer
2
1)√x(√x-1)/(√x-1)+2
+1=√x+2
+1=
=(
+1)²
2)(x^1/4+1)²*(x^1/4-1)/(x^1/4+1)=(x^1/4+1)*(x^1/4-1)=x^1/2-1=√x-1
3
y`=-2/3x²+3/2=(-4+9x²)/6x²=0
(3x-2)(3x+2)=0
x=2/3 x=-2/3
+ _ +
------------(-2/3)--------------(2/3)------------
возр убыв возр
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Answers & Comments
Verified answer
21)√x(√x-1)/(√x-1)+2+1=√x+2+1=
=(+1)²
2)(x^1/4+1)²*(x^1/4-1)/(x^1/4+1)=(x^1/4+1)*(x^1/4-1)=x^1/2-1=√x-1
3
y`=-2/3x²+3/2=(-4+9x²)/6x²=0
(3x-2)(3x+2)=0
x=2/3 x=-2/3
+ _ +
------------(-2/3)--------------(2/3)------------
возр убыв возр