Объяснение:
1.
а) -1,5√192 = -1,5*8√3 = -12√3
б) -7√0,12 = -7*0,2√3 = -1,4√3
в)
2.
а) 3√11 = √(9*11) = √99
б) -4√3 = -√(4²*3) = -√48
в) b√13 = √(13*b²)
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Answers & Comments
Объяснение:
1.
а) -1,5√192 = -1,5*8√3 = -12√3
б) -7√0,12 = -7*0,2√3 = -1,4√3
в)![\sqrt{x^{7}y^{8}} = x^{3}y^{4}\sqrt{x} \sqrt{x^{7}y^{8}} = x^{3}y^{4}\sqrt{x}](https://tex.z-dn.net/?f=%5Csqrt%7Bx%5E%7B7%7Dy%5E%7B8%7D%7D%20%3D%20x%5E%7B3%7Dy%5E%7B4%7D%5Csqrt%7Bx%7D)
2.
а) 3√11 = √(9*11) = √99
б) -4√3 = -√(4²*3) = -√48
в) b√13 = √(13*b²)