For what value of n is -n-1-1 equal to 0 -A- 0B- 1C- 2D- There is no such value of n-

The correct option is D There is no such value of n.|n 1|+1=0 ⇒ |n 1| = 1 But modulus cannot be negative. Hence, this equation is true for no value of n. ...

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Standard XII

Mathematics

Properties of absolute values

For what valu...

Question

For what value of n is $| n - 1 | + 1$ equal to 0?

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There is no such value of n.

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Solution

The correct option is C There is no such value of n.
$| n - 1 | + 1 = 0 \Rightarrow | n - 1 | = - 1$
But modulus cannot be negative. Hence, this equation is true for no value of n.

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For what value of n is |n−1|+1 equal to 0?

The correct option is C There is no such value of n.|n−1|+1=0⇒|n−1|=−1 But modulus cannot be negative. Hence, this equation is true for no value of n.

For what value of n is $| n - 1 | + 1$ equal to 0?

The correct option is C There is no such value of n.
$| n - 1 | + 1 = 0 \Rightarrow | n - 1 | = - 1$
But modulus cannot be negative. Hence, this equation is true for no value of n.