(x+1x)(x−1x)(x2+1x2−1)(x2+1x2+1)(x+1x)(x−1x)(x2+1x2−1)(x2+1x2+1) is equal to ?

x8−1x8x8−1x8x8−1x8x8−1x8x8−1x8x8−1x8x8−1x8x8−1x8x8x8x8x8xx88−1x81x811x8x8x8x8x8x8x8xx88x8−1x8

x6−1x6x6−1x6x6−1x6x6−1x6x6−1x6x6−1x6x6−1x6x6−1x6x6x6x6x6xx66−1x61x611x6x6x6x6x6x6x6xx66x6−1x6

x6+1x6x6+1x6x6+1x6x6+1x6x6+1x6x6+1x6x6+1x6x6+1x6x6x6x6x6xx66+1x61x611x6x6x6x6x6x6x6xx66x6+1x6

x8+1x8x8+1x8x8+1x8x8+1x8x8+1x8x8+1x8x8+1x8x8+1x8x8x8x8x8xx88+1x81x811x8x8x8x8x8x8x8xx88x8+1x8

(x+1x)(x−1x)(x2+1x2−1)(x2+1x2+1)(x+1x)(x−1x)(x2+1x2−1)(x2+1x2+

1.	(x+1x)(x−1x)(x2+1x2−1)(x2+1x2+1)(x+1x)(x−1x)(x2+1x2−1)(x2+1x2+1) is equal to ?
A.	x6−1x6x6−1x6x6−1x6x6−1x6x6−1x6x6−1x6x6−1x6x6−1x6x6x6x6x6xx66−1x61x611x6x6x6x6x6x6x6xx66x6−1x6
B.	x8−1x8x8−1x8x8−1x8x8−1x8x8−1x8x8−1x8x8−1x8x8−1x8x8x8x8x8xx88−1x81x811x8x8x8x8x8x8x8xx88x8−1x8
C.	x6+1x6x6+1x6x6+1x6x6+1x6x6+1x6x6+1x6x6+1x6x6+1x6x6x6x6x6xx66+1x61x611x6x6x6x6x6x6x6xx66x6+1x6
D.	x8+1x8x8+1x8x8+1x8x8+1x8x8+1x8x8+1x8x8+1x8x8+1x8x8x8x8x8xx88+1x81x811x8x8x8x8x8x8x8xx88x8+1x8
Answer» B. x8−1x8x8−1x8x8−1x8x8−1x8x8−1x8x8−1x8x8−1x8x8−1x8x8x8x8x8xx88−1x81x811x8x8x8x8x8x8x8xx88x8−1x8