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1 answer:
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Given:
The pair of expressions in the options.
To find:
The two expressions are equivalent for any value of y.
Solution:
Two expressions are equivalent for any value of y, iff they are equivalent.
Clearly, is not equivalent to
or
. So, options A and B are incorrect.
The expression is not equivalent to
. So, option C is incorrect.
The expression is equivalent to
.
Therefore, the correct option is D.