1.

1. Which of the following is equal to x®?a. X-Xb. XXC. Xºlx d. (6)​

Answer»

ong>Answer:

C

Step-by-step explanation:

Answer :

C

Solution :

(a)x127−x57=x57+1−x57

=x57.x−x57

(b) (X4)13−−−−−√12=((x4)13)112

=x4×13×112=x19

≠x

(c)(x3−−√)23=(X23)23=x32×23

x

(d) x127×x712=x127+712

x144+4984=x19384≠x [am.an=am+n]



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