find the value of m and n for which x=2 and -3 are the zeros of the polynomial 3x^2-2mx+2n
Anonymous:
Is the answer m =- 3/2 and n=-9 correct!!
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p(x)=3x^2-2mx+2n
now
2 and -3 are zreos of p(x)
so
p(2)=0
12-4m+2n=0....................................................1
p(-3)=0
27-6m+2n=0..........................................................2
comparing both eq.
2m=15
so m=15/2
similarly
n=27/4
now
2 and -3 are zreos of p(x)
so
p(2)=0
12-4m+2n=0....................................................1
p(-3)=0
27-6m+2n=0..........................................................2
comparing both eq.
2m=15
so m=15/2
similarly
n=27/4
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