Q1 - A positive integer is of the form 3q+1 , q being a natural number . Can you write its square in any form other than 3m+1 , 3m or 3m +2 for some integer m ? Justify your answer. 
 
 
Q2 - The solution of RdSharma book - level 2 is not provided . Plz provide the answers . 

Asked by sucharitasahoo1 | 23rd Apr, 2017, 07:29: PM

Expert Answer:

1. 
Error converting from MathML to accessible text.

 
2. Dear student, the solutions of RD Sharma will be updated as soon as possible. 

Answered by Rebecca Fernandes | 27th Nov, 2017, 12:40: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.