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Question
Mark the correct alternative in each of the following:
|| 3 − 12| − 4| =
(a) −5 (b) 5 (c) 7 (d) −7
|| 3 − 12| − 4| =
(a) −5 (b) 5 (c) 7 (d) −7
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Solution
|| 3 − 12| − 4|
= || 3 + (−12)| − 4|
= || −9| − 4|
= |9 − 4| (Absolute value of an integer is its numerical value regardless of its sign)
= |5|
= 5
Hence, the correct answer is option (b).
|| 3 − 12| − 4|
= || 3 + (−12)| − 4|
= || −9| − 4|
= |9 − 4| (Absolute value of an integer is its numerical value regardless of its sign)
= |5|
= 5
Hence, the correct answer is option (b).
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