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If the system of equations 2x + y – z = 5 2x – 5y +  z =  x + 2y – 5z = 7 has infinitely many solutions, then (  +  ) 2 + (  –  ) 2 is equal to :

1. 904
2. 916
3. 912
4. 920 CAREER POINT CAREER POINT CAREER POINT Ltd., CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 081-47250011 www.careerpoint.ac.in 7 JEE Main Online Paper

Correct answer: 916

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