b2=b1*q=1/2
b7=b1*q^6=16
система
b1*q=1/2
b1*q^6=16
b1=0,5/q
0,5/q*q^6=16
0,5q^5=16
q^5=32
q=2
b1=0,5/2=0,25
найдём b5=b1*q^4=0,25*2^4=0,25*16=4
ОТВЕТ: 4
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are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
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are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
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are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
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are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
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are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
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are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
is our house. I can see it from here.
are my parents. My Mom’s name is Ann and my father’s name is Tom
is my mother. She has baked a delicious strawberry pie.
are my grandparents. They are riding bikes.
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are my parents. My Mom’s name is Ann and my father’s name is Tom
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b(2)=1/2, b(7)=16,
1/2=2^(-1), 16=2^4
b(7)=b(2)*q^5
2^4=2^(-1) * q^5
q^5=2^(4+1)
q^5=2^5
q=2
b(5)=1/2 * 2^3 = 2^(-1) * 2^3= 2^(-1+3)=2^2=4
b(5)=4