is the additive invet6) 19192121(ii)The additive inverse of 113 isWeri

1.	is the additive invet6) 19192121(ii)The additive inverse of 113 isWerify that-x)is the same as x fosreciprocCalEamphas noive inverse of(1)17a) x511317Solution: i) We have,x13for rationa-13is-r=-since17The additive inverse of x=13 (-130,shows that tThe same equality ++
Answer» -(-x)=xfor x=2/15-[-(2/15)]=-1×-1×2/15=2/15 = x for x=-13/17=-[-(-13/17)]=-[-1×-1×13/17]=-13/17 = x

is the additive invet6) 19192121(ii)The additive inverse of 113 isWerify that-x)is the same as x fosreciprocCalEamphas noive inverse of(1)17a) x511317Solution: i) We have,x13for rationa-13is-r=-since17The additive inverse of x=13 (-130,shows that tThe same equality ++

Answer»

-(-x)=xfor x=2/15-[-(2/15)]=-1×-1×2/15=2/15 = x

for x=-13/17=-[-(-13/17)]=-[-1×-1×13/17]=-13/17 = x