I have attached my two questions.
Indranil Roy , 10 Years ago
Grade 11
Algebra> I have attached my two questions.
1 Answers
UPINDERJEET SINGH
Last Activity: 9 Years ago
Answer to first question:
x=|a+bw+cw2| + |a+bw2+cw|
x=|a| +x=|a| +|bw|+|cw2|+|a| +|bw2|+|cw|
x=|a|+|b|×|w|+|c|×|w2|+|a| +|b|×|w2|+|c|×|w|
x=|a|+|b|×1+|c|×1+|a| +|b|×1+|c|×1 (since |w|, |w2| = 1)
x=2*(|a|+|b|+|c|)
now ,
a, b, c should be integers and be different.
So, for the sume to be min.
a=0 b=1 c=2
so min.(x) = 6
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