Question

Scoateti factorii de sub radical√48a^2 , a>0
√300•a^4
√72a^2b^4 , a<0
√288a^4b^2 , b<0

Answer 1

√48a²=√16*3*a²=4a√3
√300a^4=√3*100*a^4=10a²√3

(-s)²=s
√72a²b^4=√36*2*a²*b^4=6ab²√2
√288a^4b²=√144*2*a^4*b²=12a²b√2