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Real Value Validation (Posted on 2015-02-01) Difficulty: 3 of 5
Each of X, Y and Z is a real number that satisfies both of these equations:
X + Y = 2, and:
X*Y - Z2 = 1

Find the value of X5 + Y5 + Z5

No Solution Yet Submitted by K Sengupta    
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No Subject Comment 3 of 3 |

assume real values and check 
x=1 y=1 
1+1=2 --eq1 satisfy
1*1-0=1---eq2 satisfy
so X5 + Y5 + Z
= 1+1+0=2 

  Posted by SOURAV PODDAR on 2015-02-02 08:15:28
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