1.

a);b)c)d) The sum of the additive inverse and multiplicativinverse of isa) 4b) 34 c)251)-25(1-2a)Ifa=7, then the value of -2-5

Answer»

1)Additive inverse of 1/5 is —1/5multiplicative inverse of 1/5 is 1/5x5=1-1/5+1=-1/5+1/1=-1+5/5=4/52)a=7-(1+14/7-5)= -(-13/2)=13/2=6 1/2sorry if the answer is wrong.

a=7-(1-2a/a-5)= - (1-2×7/7-5)= - (1-14/2)= - (-13/2)= 13/2



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