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If  and  be the coefficients of x 4 and x 2 respectively in the expansion of 6 2 1 – x x        + 6 2 1 – x – x       , then :

1.  –  = – 132
2.  +  = – 30
3.  +  = 60
4.  –  = 60 CAREER POINT CAREER POINT Ltd., CP Tower, IPIA, Road No.1, Kota (Raj.), Ph: 0744-6630500 www.careerpoint.ac.in 2 JEE Main Online Paper

Correct answer:  –  = – 132

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