👤
Cartemare
a fost răspuns

2.a)(√5) la puterea 13 ori (√5)la puterea -11=
b)(1 supra√2)la puterea8 :(1 supra√2)la puterea 6=
c)(√2)la puterea 23 ori(√2)la puterea 7:(√2)la puterea 26=
d)√3ori(√3)la a2a ori (√3)³ori(√3)la puterea -6=
4.d)(√3) la puterea -40 ori(√27)la puterea 14=

Răspuns :

Renatemambouko
(√5)¹³ x (√5)⁻¹¹= (√5)¹³ x1/ (√5)¹¹=(√5)¹³⁻ ¹¹=(√5)²=5  
b)(1/√2)⁸ :(1/√2)⁶=(1/√2)⁸⁻⁶=(1/√2)²=1/2
c)(√2)²³ x(√2)⁷:(√2)²⁶=(√2)²³⁺⁷⁻²⁶=(√2)⁴=4
d)√3x(√3)²x (√3)³x(√3)⁻⁶=(√3)¹⁺²⁺³  x1/(√3)⁶=(√3)⁶/(√3)⁶=1

4.d) (√3)⁻⁴⁰ x (√27)¹⁴=1/(√3)⁴⁰ x (3√3)¹⁴=1/3²⁰ x 3¹⁴x3⁷=1/3²⁰ x 3²¹=3