Q) If x = -5 + ( 45 +4k - k2 )0.5 where k is a positive integer. How many values of k exists if x has to be positive?
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sunny.bhasin
- Junior | Next Rank: 30 Posts
- Posts: 21
x = -5 + ( 45 +4k - k^2 )0.5 >0
35 + 4k - k^2 >0
or k^2 - 4k - 35 <0
Do you have options??
