1.

The value of (1 + 1x)(1 + 1x+1)(1 + 1x)(1 + 1x+1) (1 + 1x+2)(1 + 1x+3)(1 + 1x+2)(1 + 1x+3) is?

A. 1+1x+41+1x+41+1x+41+1x+41+1x+41+1x+41+1x+41+1x+41+1x+41x+411x+4x+4x+4x+41+1x+4
B. x + 4
C. 1x1x1x1x1x1x1x1x1x1x11xx1x
D. x+4xx+4xx+4xx+4xx+4xx+4xx+4xx+4xx+4xx+4xx+4x+4x+4x+4xxx+4x
Answer» B. x + 4


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