A) 1995
B) 195
C) 95
D) 10
Correct Answer: D
Solution :
Given expression \[=\frac{[{{(998)}^{2}}-{{(997)}^{2}}]-45}{{{(98)}^{2}}-{{(97)}^{2}}}\] \[=\frac{(998+997)(998-997)-45}{(98+97)(98-97)}\] \[=\frac{1995-45}{195}=\frac{1950}{195}=10\]You need to login to perform this action.
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