1.  If a+b+c= 6 then find (2-a)^3 + (2-b)^3+(2-c)^3-3(2-a)(2-b)(2-c)

2.Multiple choice: If 2(a^2+b^2)=(a+b)^2 then

a) a+b=0

b) a=b,

c)2a=b,

d)ab=0

Asked by sangeetablobo | 5th May, 2014, 01:01: PM

Expert Answer:

java.lang.Exception: The input exceeds the limit of 3072 characters of length.
 
2 right parenthesis  2 open parentheses a squared plus b squared close parentheses equals open parentheses a plus b close parentheses squared  2 a squared plus 2 b squared equals a squared plus b squared plus 2 a b  rightwards double arrow a squared plus b squared minus 2 a b equals 0  rightwards double arrow open parentheses a minus b close parentheses squared equals 0  rightwards double arrow a equals b

Answered by Avinash Soni | 6th May, 2014, 10:12: AM

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