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Q.

Using appropriate properties the value of the following expression is ____,[[2]].


1) Question Image


2) Question Image


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Detailed Solution

 Concept-Follow the BODMAS rules  to get the correct answer. That is, you must first do what is possible in parentheses, then exponent, then multiplication and division (left to right), and then addition and subtraction (left to right).
i) Question Image Question ImageWhen combined the above equation common out Question Image is as follows.
=Question Image=Question Image=Question Image=Question Image=Question Image=2
(ii) Question ImageQuestion ImageTaking Question Imagecommon from the above formula, it becomes as follows.
=Question Image=Question Image=Question Image=Question Image=Question Image=Question Image=Question Image=Question ImageHence, the answers are 2,  Question Image respectively.
 
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