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If and , then what is the value of the expression

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answer is A.

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Detailed Solution

Concept: In order to get a quicker response, multiply the brackets in the necessary expression before substituting the specified values for a instead of determining the values of a and applying the given conditions.
It is given that

and

.
The value of the required expression

Put the value

and

, we get
The result of the necessary expression

Hence, the correct answer is option 1

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