If xyzw = 81, What is the minimum value of x + y +z +w ?
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Answered by
2
Answer:
Step-by-step explanation:
Arthimic mean ≥ geometric mean
A.M ≥ G.M
so the minimum value of x+y+z+w=12
Answered by
0
Answer:
x×y×z×w=81
X+Y+Z+W=81
it means = X=2 ,y =3 z=1 and w= 2
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