B1= 1/4bn+1=(bn)^2 x 4^noblicz b5ma wyjść 4 do 10

B1= 1/4

bn+1=(bn)^2 x 4^n
oblicz b5
ma wyjść 4 do 10

b_1=\dfrac{1}{4}

b_{n+1}=(b_n)^2\cdot4^n

b_2=(b_1)^2\cdot4^1=\left(\dfrac{1}{4}\right)^2\cdot4^1=\dfrac{1}{16}\cdot4=\dfrac{1}{4}

b_3=(b_2)^2\cdot4^2=\left(\dfrac{1}{4}\right)^2\cdot4^2=\dfrac{1}{16}\cdot16=1

b_4=(b_3)^2\cdot4^3=1^2\cdot4^3=1\cdot4^3=4^3

b_5=(b_4)^2\cdot4^4=(4^3)^2\cdot4^4=4^6\cdot4^4=4^{10}

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