What is the co-efficient of x8 in the expression (x-1)(x-2).....(x-10)?
What is the co-efficient of x8 in the expression (x-1)(x-2).....(x-10)?
Sudharsan , 9 Years ago
Grade 10
10 grade maths> What is the co-efficient of x 8 in the ex...
1 AnswersNishant Vora
co-efficient of x^10 will be 1
co-efficient of x^9 will be sum of roots
co-efficient of x^8 will be sum of roots taken 2 at a time
hence ans= 1.2 +2.3+3.4 +...........+ 9.10
Now you can find this summation by using concepts of Seq and series
co-efficient of x^9 will be sum of roots
co-efficient of x^8 will be sum of roots taken 2 at a time
hence ans= 1.2 +2.3+3.4 +...........+ 9.10
Now you can find this summation by using concepts of Seq and series
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