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Helga [31]
3 years ago
11

One positive integer is 1 less than another. The product of two integers is 71. What are the integers? Separate the answers with

a comma.
Mathematics
1 answer:
Tamiku [17]3 years ago
4 0

Answer:

8.94 , 7.94

Step-by-step explanation:

Let the integers be x and x-1

then

x(x-1)=71

x^2-x-71=0

Solving the above quadratic equation by quadratic formula gives:

x= \frac{-b\sqrt{b^{2}-4ac } }{2a}

x=\frac{\sqrt{1^{2}-4(1)(-71) } }{2}

x= 8.94 and x=-7.94

as given, integer is positive so taking

x=8.94

x-1= 7.94

Hence the two integers are= 8.94 and 7.94!

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