Question

. The roots of the quadratic equation 12x² +mx +5= 0 are real and equal, then the value of m is : *

1 point

4√15

8√15

2√15

10√5

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Answer 1

Answer:

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Answer 2

Answer:

1pointLet a, b, c be the length of the sides of a triangle and x be the in radius . Show that

x<a^2+b^2+c^2 / 3(a+b+c)

Step-by-step explanation:

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