Question

As dori rezolvarea completa la ex.7(a,b,c).

Answer 1

3√2/5+4√2/15-5√2/3⇒(9√2+4√2-25√2)/15⇒√2(9+4-25)/15⇒-√2*12/15⇒-√2*3/5
√845/24-√405/6+√45/2⇒(13√5-4*9√5+12*3√5)/24⇒√5(13-36+36)/24⇒√5*13/24
2³√2/7+2²*3²√2/14+3²√2/21+11√2/28⇒√2(12*8+6*4*9+4*9+3*11)/84⇒√2*381/84⇒√2*127/28