please show the whole process of this two
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if in the first one it is -1/0.36 then it will be like this
1/0.12= -1/0.36 - 1/u
1/0.12 + 1/0.36 = -1/u
taking lcm in LHS
3/0.36 + 1/0.36 = -1/u
3+1/0.36 = -1/u
4/0.36 =-1/u
=> 1/0.9 = -1/u
=> u= 0.9/1 = 0.9
In the Second u can write the fraction like this
1/0.25 * 100/100
= 100/25
= 4
1/0.12= -1/0.36 - 1/u
1/0.12 + 1/0.36 = -1/u
taking lcm in LHS
3/0.36 + 1/0.36 = -1/u
3+1/0.36 = -1/u
4/0.36 =-1/u
=> 1/0.9 = -1/u
=> u= 0.9/1 = 0.9
In the Second u can write the fraction like this
1/0.25 * 100/100
= 100/25
= 4
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