Question

one of the root of the equation x²+mx-5=0 is 2. Find m. *​

Answer 1

Answer:

If one of the roots of the equation is x²+mx-5=0 and X is 2, what is m?

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given:

x²+mx-5=0

x=2

To find :

m=?

And to solve this , put the value of x in the given equation,

x²+mx-5 =0

(2)² +m(2)-5=0

4 + 2m -5 =0

2m = 5 -4

m = 1/2 .. (answer)