Find the multiplicative inverse (i.e., reciprocal) of:

(i) (ii) (iii) (iv) (v)


(vi) (vii) (viii) (ix) (x)

A multiplicative inverse for a number x, is a number which when multiplied by x yields the multiplicative identity, 1


The multiplicative inverse of a rational number is.


Therefore,


(i) The multiplicative inverse of =.


(ii) The multiplicative inverse of =.


In standard form,



(iii) The multiplicative inverse of =.


In standard form,



.


(iv) The multiplicative inverse of =.


(v) The multiplicative inverse of =.



(vi) The multiplicative inverse of =.


In standard form,



(vii) The multiplicative inverse of -1 =-1.


(viii) The multiplicative inverse of is undefined.


Since, is undefined.


(ix) The multiplicative inverse of =.


(x) The multiplicative inverse of =.


In standard form,



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