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Question -

Find the multiplicative inverse of the
(i) -13 (ii) -13/19 (iii) 1/5 (iv) -5/8 ├Ч (-3/7) (v) -1 ├Ч (-2/5) (vi) -1



Answer -

(i) -13
Multiplicative inverse of -13 is -1/13
(ii) -13/19
Multiplicative inverse of -13/19 is -19/13
(iii) 1/5
Multiplicative inverse of 1/5 is 5
(iv) -5/8 ├Ч (-3/7) = 15/56
Multiplicative inverse of 15/56 is 56/15
(v) -1 ├Ч (-2/5) = 2/5
Multiplicative inverse of 2/5 is 5/2
2

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