Răspuns :
Răspuns:
Explicație pas cu pas:
= 1-(7/9)¹⁷:[( 7/9)¹⁺⁴]³
= 1-(7/9)¹⁷:[(7/9)⁵]³
= 1-(7/9)¹⁷:(7/9)⁵ˣ³
= 1-(7/9)¹⁷:(7/9)¹⁵
= 1- (7/9)¹⁷⁻¹⁵
= 1- (7/9)²
= 1- 7²/9²
=⁸¹⁾1- 49/81
= 81/81-49/81
= 32/81
Răspuns:
Explicație pas cu pas:
= 1-(7/9)¹⁷:[( 7/9)¹⁺⁴]³
= 1-(7/9)¹⁷:[(7/9)⁵]³
= 1-(7/9)¹⁷:(7/9)⁵ˣ³
= 1-(7/9)¹⁷:(7/9)¹⁵
= 1- (7/9)¹⁷⁻¹⁵
= 1- (7/9)²
= 1- 7²/9²
=⁸¹⁾1- 49/81
= 81/81-49/81
= 32/81