1.
а) 12√2+√32-√200
б) √16х-5√х+√81х
в) (√3-√12)^2+12
2.
х^2/5√х
3.
а) h-36/√h-6
б) 98-2х/√х-7
а) 12√2+√32-√200
б) √16х-5√х+√81х
в) (√3-√12)^2+12
2.
х^2/5√х
3.
а) h-36/√h-6
б) 98-2х/√х-7
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Answers & Comments
б)4√х-5√х+9√х=√х(4-5+9)=8√х
в)3-2√36+12+12=15 (2√36=2*6=12)
2. х^2/5√х=(х^2/5√х)²= х^4/25х=х³/25
3. а) h-36/√h-6=(√h-6)(√h+6)=√h-6=√h+6
б) 98-2х/√х-7= 2(49-х)/√х-7=2(7-√х)(7+√х)/√х-7=49+2√х