Question

2. a) (√5)la puterea 13 ori (√5) la puterea -1= b) (1  supra √2) la a 8  imprtit(1 supra√2)la a 6 a=
c)(√2)la a 23a ori (√2)la  7a imparit(√2)la 26; d)√3ori(√3)²ori(√√3)³ori(√3)la a6a

Answer 1

 a) (√5)¹³  x (√5) ⁻¹= (√5)¹³  x 1/(√5)¹=(√5)¹² = 5⁶ =15625

b) (1/√2)⁸ : (1/√2)⁶= (1/√2)⁸ x (√2)⁶= =1/(√2)²=1/2
c)(√2)²³ x (√2)⁷ :(√2)²⁶ =(√2)³⁰ :(√2)²⁶ = (√2)⁴= 4
d)√3 x(√3)² x (√3)³ x(√3)⁶ =√3¹⁰ = 3⁵ = 243