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If the value of a = 2 and the value of b = -2, then what will be the value of ?

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None of these.

answer is B.

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Detailed Solution

Concept- Use the approach of extending a particular expression that needs to be evaluated using the simple algebraic identity element

and replacing the values of a and b as specified. To do. Get the required value in the expression.
Suppose you need to find the value of expression

Use identity

You now have a value of a = 2 and a value of b = -2.
Simply substitute the value of the following expression to get the answer you need.

In algebra

Hence, the correct answer is option 2) .

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