Math, asked by divi29353, 9 months ago

5n×(5n+1)=300 where n is a positive number​

Answers

Answered by jaidansari248
1

Answer:

5n(5n + 1) = 300 \\ n(n + 1) =  \frac{300}{5}  = 60 \\  {n}^{2}  + n - 60 = 0 \\ n =  \frac{ - 1 +  \sqrt{1 + 240} }{2}  \\  =

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