What should be added to 1 + 2x – 3x 2 to get x2 – x – 1 ?
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Answer:
Answer: 4x2 −3x−2 added to the equation.
This should be added.
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Let the A's One day work be 1 / 16
Let the B's One day work be 1/ 12
Let A,B and C's One day work be 1/ 6
To Find
how much time will be taken for C alone.
Solution
C's One day work will be the subtraction of A and B's work from the total ,
\longrightarrow \: \dfrac{1}{6} - ( \frac{1}{12} + \frac{1}{16} )⟶
6
1
−(
12
1
+
16
1
)
\implies \: \dfrac{1}{6} - \dfrac{1}{16 } - \dfrac{1}{12}⟹
6
1
−
16
1
−
12
1
Here L.C.M = 48 and therefore ,
\implies \: \: \dfrac{8 - 3 - 4}{48}⟹
48
8−3−4
\implies \: \dfrac{1}{48}⟹
48
1
So , C person can complete the work within 48 days.
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