1) √50 = √2*25 = 5√2
2) - 1/3√243 = - 1/3 * √9*9*3 = - 1/3 * 9 √3 = - 3√3
3)√12x^2 = √4*3x^2 = 2x√3
1) 3√5 = √5*9 = √45
2) - 2√2 = - √4*2 = - 8
3) 2a√ a = √a* 4a^2 = √4a^3
4) 0,1b^2 √2b = √2b * 0,01b^4 = √0,02b^5
1) 2√7 и √27
√ 28 больше, чем √27
2) - √18 и - 2√2
- √18 меньше,чем - √8