The digit in unit's place of the number (1570)2 + (1571)2 + (1572)2 + (1573)2 is :

Question

The digit in unit's place of the number  (1570)2 + (1571)2 + (1572)2  + (1573)2  is :

Team Examveda · Accepted Answer

(1570)2
    +
    (1571)2
    +
    (1572)2
    +
    (1573)2

unit digit rarr;
    darr;
    
    darr;
    
    darr;
    
    darr;

02
    +
    12
    +
    22
    +
    32

darr;
    
    darr;
    
    darr;
    
    darr;

0
    +
    1
    +
    4
    +
    9 = 14

unit digit = 4

The digit in unit's place of the number (1570)2 + (1571)2...