Ayikcigdem0rans
Answered


[tex]2 ^{ \times + 3 } - 2 {}^{ \times + 1} + 2 {}^{ \times + 2} = 160[/tex]
ise x değerini bulunuz.​

Sagot :

HosBaturrans

Cevap:

4

Adım adım açıklama:

2^x parantezine alırsan

2^x(2^3-2^1+2^2)

=2^x(8-2+4)

=2^x.10=160

2^x=16

x=4

GuneyEgeTaskesenrans

Cevap:

x=4

Adım adım açıklama:

[tex]2^{x+3}-2^{x+1}+2^{x+2} =160\\\\2^{x}.2^{3}-2^{x}.2+2^{x}.2^{2} =160\\\\2^{x}(8-2+4) = 160\\\\2^{x}.10=160\\\\ 2^{x}=160/10\\\\2^{x} =16\\\\2^{x}=2^{4}\\\\x = 4[/tex]

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