/(³√4+³√2+1) is equal to..??
1. ³√2-1
2. ³√2+1
3. -³√2-1
4. 1-³√2

• 1+(2^1/3)+ (2^2/3)is a GP with common ratio 2^1/3
  sum= 1*{(2^3/3)-1}/{(2^1/3)-1}
  = 2^(1/3) - 1
• 10 years agoHelpfull: Yes(0) No(3)