Interpole 12 meios aritméticos entre 1 e 29. Escreva a PA
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Interpole 12 meios aritméticos entre 1 e 29. Escreva a PA
PA = {1,------,------,-----,------,------,------,-----,------,----,-----,-----,-----,29}
n = TEMOS 2 ( 1 e 29)
n = 2 + 12
n = 14 ( termos)
an = 29
a1 = 1
ACHAR o (R) razão
an = a1 + (n - 1)R
29 = 1 + (14-1)R
29 = 1 + (13)R
29 - 1 = 13R
28 = 13R (mesmo que)
13R = 28
R = 28/13
a1 = 1 ( primeiro)
a2 = 1 + 28/13 = 41/13
a3 = 41/13 + 28/13 = 69/13
a4 = 69/13 +28/13 = 97/13
a5 = 97/13 + 28/13 = 125/13
a6 = 125/13 + 28/13 =153/13
a7 = 153/13 + 28/13 = 181/13
a8 = 181/13 + 28/13 = 209/13
a9 = 209/13 + 28/13 = 237/13
a10 = 237/13 + 28/13 = 265/13
a11 = 265/13 + 28/13 = 293/13
a12 = 293/13 + 28/13 = 321/13
a13 =321/13 + 28/13 = 349/13
a14 = 349/13 + 28/13 = 377/13= 29 ( ultimo)
PA = {1,------,------,-----,------,------,------,-----,------,----,-----,-----,-----,29}
a1 = 1 ( primeiro)
a2 = 41/13
a3 = 69/13
a4 = 97/13
a5 = 125/13
a6 = 153/13
a7 = 181/13
a8 = 209/13
a9 = 237/13
a10 = 265/13
a11 = 293/13
a12 = 321/13
a13 = 349/13
a14 = 29 ( ultimo)
PA = {1,------,------,-----,------,------,------,-----,------,----,-----,-----,-----,29}
n = TEMOS 2 ( 1 e 29)
n = 2 + 12
n = 14 ( termos)
an = 29
a1 = 1
ACHAR o (R) razão
an = a1 + (n - 1)R
29 = 1 + (14-1)R
29 = 1 + (13)R
29 - 1 = 13R
28 = 13R (mesmo que)
13R = 28
R = 28/13
a1 = 1 ( primeiro)
a2 = 1 + 28/13 = 41/13
a3 = 41/13 + 28/13 = 69/13
a4 = 69/13 +28/13 = 97/13
a5 = 97/13 + 28/13 = 125/13
a6 = 125/13 + 28/13 =153/13
a7 = 153/13 + 28/13 = 181/13
a8 = 181/13 + 28/13 = 209/13
a9 = 209/13 + 28/13 = 237/13
a10 = 237/13 + 28/13 = 265/13
a11 = 265/13 + 28/13 = 293/13
a12 = 293/13 + 28/13 = 321/13
a13 =321/13 + 28/13 = 349/13
a14 = 349/13 + 28/13 = 377/13= 29 ( ultimo)
PA = {1,------,------,-----,------,------,------,-----,------,----,-----,-----,-----,29}
a1 = 1 ( primeiro)
a2 = 41/13
a3 = 69/13
a4 = 97/13
a5 = 125/13
a6 = 153/13
a7 = 181/13
a8 = 209/13
a9 = 237/13
a10 = 265/13
a11 = 293/13
a12 = 321/13
a13 = 349/13
a14 = 29 ( ultimo)
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