A.M. of two positive numbers is 10, out of that one number is 4. Find the second number
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A.M. of two positive numbers is 10, out of that one number is 4. Find the second number
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Answer:
43
Step-by-step explanation:
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Answer:
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Step-by-step explanation:
a+b
=10 and
ab
=8⇒a+b=20 and ab=64
Clearly,a and b are roots of the equation
x
2
−(a+b)x+ab=0
or, x
2
−20x+64=0