Question 131
Can you find a rational number whose multiplicative inverse is - 1?

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Solution

Yes, multiplicatoive inverse of -1 is -1 itself. We can also write -1 as $\frac{- 1}{1}$ or $\frac{1}{- 1}$

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Question 11
If x + 0 = 0 + x = x, which is rational number, then 0 is called:
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Reciprocal of a Number

Standard VIII Mathematics

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Question 131 Can you find a rational number whose multiplicative inverse is - 1?

Yes, multiplicatoive inverse of -1 is -1 itself. We can also write -1 as −11 or 1−1

Question 131
Can you find a rational number whose multiplicative inverse is - 1?

Yes, multiplicatoive inverse of -1 is -1 itself. We can also write -1 as $\frac{- 1}{1}$ or $\frac{1}{- 1}$