Ответ:
1) ( 2a - 1 )( 4a^2 + 2a + 1 ) = ( 2a )^3 - 1^3
2) a = ( - 1/2 )
( 2 • ( - 1/2 )) ^ 3 - 1 = ( - 1 )^3 - 1 = - 1 - 1 = - 2
Объяснение:
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Ответ:
1) ( 2a - 1 )( 4a^2 + 2a + 1 ) = ( 2a )^3 - 1^3
2) a = ( - 1/2 )
( 2 • ( - 1/2 )) ^ 3 - 1 = ( - 1 )^3 - 1 = - 1 - 1 = - 2
Объяснение: