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16-06-2021
Mathematics

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1. The arithmetic mean of roots of the quadratic equation x^2- 10x+16=0 is

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16-06-2021

Answer:

5

Step-by-step explanation:

x^2 - 10x + 16 = 0

factor

(x - 2)(x - 8) = 0

roots

x = {2, 8}

mean of roots

a = (2 + 8) /2

a = 5

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