second degree equation
How many consecutive natural numbers Starting from
1 should be added to get 300?
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4
Answer:
here n= ?
so,
300=n(n+1)/2
600=n²+n
n²+n-600=0
n²+25n-24n-600=0
n(n+25)-24(n+25)=0
(n+25)(n-24)=0
therefore,
n=24
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