Math, asked by hmza, 1 year ago

if the mean of first n natural numbers is 5n/9then what is the value of n

Answers

Answered by purnimasravanip42ezr

1

Mean of first n natural numbers=n+1/2
=n+1/2=5n/9
Cross multiplication
9n+9=10n
9=10n-9n
9=n

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