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College Algebra
Chapter 1
Section 2
Try 164. What do you think?
Chapter 1
Section 2
Try 164. What do you think?
A rational number is a number that can be expressed as a quotient a/b of two integers.
Let us Guess the number step by step:
1) The number lies between 1 and 10
So, the chances are all the 10 numbers
2) its square is rational and lies between 1 and 10
so, the chances are high if we go with medium (1+10)/2=11/2
3) The number is larger than pi=3.14
11/2=5.50-> we prove that 11/2>pi
so, the guessing number is 11/2