oblicz:
a)log3 81
b)log3 1/9
c)log3 1/pierwiastek3
d)log9 3
e)log7 7pierwiatekz7
f)log1/2 1/8
g)log1/2 16
a) log 3 81 = 4, bo 3^4 = 81
b) log 3 1/9 = - 2, bo 3^(-2) = 1/ (3^2) = 1/9
c) log 3 [ 1/ p(3)] = - 1/2 , bo 3^( -1/2) = 1 / ( 3 ^(1/2) ) = 1 / p(3)
d) log 9 3 = (1/2) log 3 [ 3 ] = 1/2 * 1 = 1/2
e) log 7 [ 7 p(7)] = 3/2, bo 7^(3/2) = 7^1 * 7^(1/2) = 7* p(7)
f) log 1/2 [ 1/8] = 3 , bo ( 1/2)^3 = 1/8
g) log 1/2 [ 16] =- 4, bo ( 1/2)^( -4) = 2^4 = 16
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p(3) - pierwiastek kwadratowy z 3
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a) log 3 81 = 4, bo 3^4 = 81
b) log 3 1/9 = - 2, bo 3^(-2) = 1/ (3^2) = 1/9
c) log 3 [ 1/ p(3)] = - 1/2 , bo 3^( -1/2) = 1 / ( 3 ^(1/2) ) = 1 / p(3)
d) log 9 3 = (1/2) log 3 [ 3 ] = 1/2 * 1 = 1/2
e) log 7 [ 7 p(7)] = 3/2, bo 7^(3/2) = 7^1 * 7^(1/2) = 7* p(7)
f) log 1/2 [ 1/8] = 3 , bo ( 1/2)^3 = 1/8
g) log 1/2 [ 16] =- 4, bo ( 1/2)^( -4) = 2^4 = 16
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p(3) - pierwiastek kwadratowy z 3
a)
b)
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f)
g)