Równania wykładnicze.
W załączniku.
a)√2=2^½
(2¹·2^½)^(x+1)=4⁻¹)^(-x+2)
(2^3/2)^(x+1)=2⁻²)^-x+2
3/2·(x+1)= -2(-x+2)
3/2x - 2x= -3/2 -4
-½x= -5½ /:(-½)
x=11
b)∛2=2^⅓
(2^)⅓(x-3)=2^4(⅓x+2)
⅓(x-3)=4(⅓x+2)
⅓x - 1= 4/3x+8
-x=9
x=-9
c)
(3²/√3)^x=3^(x+1)
(3^(2-½))^x=3^(x+1)
(2-½))^x=(x+1)
3/2x - x=1
½x=1
x=2
d)
(3^(x+2)·3²)^(3x-1)=3^(3x+12)
3^(x+2+6x-2)=3^(3x+12)
(x+2+6x-2)=(3x+12)
7x-3x=12
4x=12
x=3
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a)√2=2^½
(2¹·2^½)^(x+1)=4⁻¹)^(-x+2)
(2^3/2)^(x+1)=2⁻²)^-x+2
3/2·(x+1)= -2(-x+2)
3/2x - 2x= -3/2 -4
-½x= -5½ /:(-½)
x=11
b)∛2=2^⅓
(2^)⅓(x-3)=2^4(⅓x+2)
⅓(x-3)=4(⅓x+2)
⅓x - 1= 4/3x+8
-x=9
x=-9
c)
(3²/√3)^x=3^(x+1)
(3^(2-½))^x=3^(x+1)
(2-½))^x=(x+1)
3/2x - x=1
½x=1
x=2
d)
(3^(x+2)·3²)^(3x-1)=3^(3x+12)
3^(x+2+6x-2)=3^(3x+12)
(x+2+6x-2)=(3x+12)
7x-3x=12
4x=12
x=3