(px^2+5x+r) is a polynomial. (x-2) and (x-1/2) both are the factors of (px^2+5x+r), then find out the relation between p and r.
please give answer and please please please show the process how to get answer of it.
please give the correct answer.
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Answered by
1
hello mate here is your answer
Given, f(x) = px^2+5x+r and factors are x-2, x-1/2
Substitute x = 2 in place of equation, we get
= p*2^2+5*2+r=0
= 4p + 10 + r = 0 ------------ (i)
Substitute x = 1/2 in place of equation.
p/4 + 5/2 + r = 0
p + 10 + 4r = 0 ------------------- (ii)
On solving (i),(ii) we get
4p+r=-10 and p+4r+10=0
4p+r=p+4r
3p=3r
p = r.
Hope this helps!
Answered by
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