Question

the rational number that doesn't have a reciprocal . 2 . the rational numbers that are equal to their reciprocals.3. the rational number that is equal to its negative​

Answer 1

Answer:

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Here is your answer!

Step-by-step explanation:

Q. 1. A rational number without any reciprocal.

Ans; 0

Because the reciprocal of 0 is $\frac{1}{0}$ and we know that anything divided by zero is meaningless ( tends to ∞ )

Q.2 The rational number equal to its reciprocal.

Ans; 1 and -1

Because case(1) reciprocal of 1 is 1 ÷ 1 = 1

             case(2) reciprocal of -1 is 1 ÷ -1 = -1

Q.3 The rational number that is equal to its negative.

Ans; 0

Because 0 × -1 = 0

→ Equal in magnitude and sign (no sign)

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