Find the value of @@+25-++@16, where @ denotes square and + denotes square root and - has its usual meaning
a) 528
b) 621
c) 336
d) 42

• (((square root of 25)^2)^2)-(((square of 16)then square root)then square root)=621
• 12 years agoHelpfull: Yes(6) No(0)
• ans 621
  square means ^2 and sqroot means ^i/2
  25^(2*2*1/2)-16^(1/2*1/2*2)=25^2-16^1/2=625-4=621
• 12 years agoHelpfull: Yes(2) No(0)
• ans is b.
  621
• 12 years agoHelpfull: Yes(0) No(0)