A) \[=(99-10)+1=89+1=90\]
B) \[=(999-100)+1\]
C) \[=899+1=900\]
D) None of these
Correct Answer: A
Solution :
\[q\ne 0\] \[\frac{a}{b}\] \[\frac{c}{d}\] \[\frac{a}{b},\frac{c}{d}\in Q\] B = LCM of 42, 14 and \[a,b,c,d\in I,b\ne 0,d\ne 0\] clearly, A = BYou need to login to perform this action.
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