Question

The value of { [ (5)-2 ]2 }-1​

Answer 1

Answer:

the value is, -6

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Answer 2

To find : value of given expression .

Given expression : $[[(5 )-2 ] 2 ]-1$

Solution :

• According to question we are asked to find the value of given expression $[[(5 )-2 ] 2 ]-1$  .
• To solve the above expression we will follow BODMAS rule.
• It is the rule used to remember the order of operations to be followed while solving expressions in mathematics.
• where,  

        $\begin{array}{l} \\B= brackets\\\mathrm{O}=\text { order of powers or rules } \\\mathrm{D}=\text { Division } \\\mathrm{M}=\text { multiplication } \\\mathrm{A}=\text { addition } \\\mathrm{S}=\text { subtraction }\end{array}$

• According to above rule we will solve.  

• $[[(5 )-2 ] 2 ]-1$  

        $= [3 \times 2 ]-1 \\= 6 -1 \\= 5$

Hence , value of expression is $5$ .