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( 2 la puterea1 x 2 la puterea 2 x 2 la puterea 3.........2 la puterea 50):(2 la puterea 17) la puterea 75

Răspuns :

2la puterea 1+2+3+...+50=2la
puterea(51×50)÷2= 2la puterea
1275
(2la puterea 17)la puterea 75=
2la puterea 1275
deci raspunsul este1
[tex]( 2^{1} * 2^{2} * 2^{3} *...* 2^{50} ) : ( 2^{17} )la puterea75 [/tex] =
[tex]( 2^{1+2+3+...+50} ): 2^{17*75} [/tex] =
( [tex]1+2+3+..+50= \frac{50*(50+1)}{2} = \frac{2550}{2} = 1275 [/tex] )
[tex] 2^{1275} : 2^{1275} [/tex] =
[tex]2^{0} [/tex] =
1