find the square of the follwing 49 natural number using the colmun method

Asked by meenavenky001 | 26th Apr, 2019, 12:36: PM

Expert Answer:

let space straight a space equals space 4 comma space straight b equals space 9
table row straight I II III row cell straight a squared end cell cell 2 ab end cell cell straight b squared end cell row 16 72 81 row cell space space space 16 plus 8
left parenthesis write space 24 right parenthesis end cell cell space space space space space space space space space space 72 plus 8 equals 80
space space space left parenthesis write space 0 comma space carry space 8 space to space next right parenthesis end cell cell space space space carry space 8 space to space next
space space space space write space 1 space below end cell row 24 0 1 end table
49 squared equals 2401

Answered by Arun | 27th Apr, 2019, 10:19: AM