what is cube root of 213 by this above given method ? I am relly can't find it , pls some1 help me?????(especially any teacher or our Meritnation Experts)

Question

what is cube root of 213 by this above given method ? I am relly
can't find it , pls some1 help me?????(especially any teacher or
our Meritnation Experts)

Vishal Oulkar · Answer

5cube
q=5
r=88
3*25=75
880
75*9=575
880-575=205
2050
2050-3*5*49=1315
13150