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Is the multiplicative inverse of? Why or why not?

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Engineering graduate from NIT Calicut, Rank holder (#47) in State Entrance Examination.

-1 1/8=(-8+1)/8=-7/8 8/9*-7/8=-7/9 is not equal to 1. hence not the multiplicative inverse

8/9 is not the multiplicative inverse of -1 ? because multiplicative inverse of -1? = 8/-7.

Let rational number a/b of multiplicative inverse is c/d, Then we know a/b × c/d = 1 Thus × = 8/9 × -7/8 = -7/9 is not holds as additive inverse. Because it's not equal to 1.
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Let rational number a/b of multiplicative inverse is c/d, Then we know

a/b × c/d = 1

Thus    × 

        = 8/9 × -7/8

        = -7/9  is not holds as additive inverse. Because it's not equal to 1.

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Related Questions

Is 0.3 the multiplicative inverse of? Why or why not?
0.3 × = 0.3 × Here, the product is 1. Hence, 0.3 is the multiplicative inverse of.
0 0
Tell what property allows you to compute
Associative Property

Name the property under multiplication used in each of the following:




(i) 1 is the multiplicative identity for rational numbers. If we multiply a rational number with multiplicative identity(1), then the product will be the same rational number itself. (ii)commutativity...
Multiply by the reciprocal of
reciprocal of is -. X - = -

Find the multiplicative inverse of the following.

(i)  (ii)  (iii) 

(iv)  (v)  (vi) −1

(i) −13 Multiplicative inverse = − (ii) Multiplicative inverse = (iii) Multiplicative inverse = 5 (iv) Multiplicative inverse (v) Multiplicative inverse (vi) −1 Multiplicative inverse = −1

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