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E Class Room Topics

Fermat's little TheoremDifferent ways of calculating reminder

Most of the questions asked in CAT from the chapter MAN HOUR WORK are complicated in nature and requires a good reasoning skill. First try to understand the basics and solve the questions given here as example before moving to the questions in Question Bank.

CONCEPT

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Base Method

Absolute Value

The absolute value of a number measures its distance to the origin on the real number line.

Since 5 is at 5 units distance from the origin 0, the absolute value of 5 is 5, |5|=5. Since -5 is also at a distance of 5 units from the origin, the absolute value of -5 is 5, |-5|=5