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If b a c c 2 c 2 b 2 a c b b 2 a 2 a 2 c b a − − − − − − = (a + b + c) (x + a + b + c) 2 , x ≠ 0 and a + b + c ≠ 0, then x is equal to :

1. –2(a + b + c)
2. 2(a + b + c)
3. abc
4. –(a + b + c) CAREER POINT CAREER POINT , CP Tower, IPIA, Road No.1, Kota (Raj.), : 0744-6630500 | www.ecareerpoint.com Email: info@cpil.in Page # 4 JEE Main Online

Correct answer: –2(a + b + c)

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