Question

Efectuati: a)(3t-2z)^3
b)(a^2-b^2)^3
c)(2z-3t)^3
d)(b^2-a^2)^3
e)(0,1x^3-√2y)^3
f)(√5a-√7b)^3
^-este scrisa ca putere

Answer 1

a) (3t-2z)²= (3t)²- (2z)²= 9t²- 4z²
b)(a²-b²)³= a⁶-b⁶
c)(2z-3t)³= (2z)³- (3t)³= 4z³- 9t³
d)(b²-a²)³= b⁶- a⁶
e) (0.1x³-√2y)³= 0.1³x⁹- (√2y)³= 0,001x⁹- 2√2y³
f)(√5a-√7b)³= (√5a)³- (√7b)³= 5√5a³- 7√7b³

Answer 2

Acesta e raspunsul! Sper ca te-am ajutat!