if the mean of first n natural numbers is 5 x upon 9 then x is equal to
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The value of x is
Step-by-step explanation:
Mean of first n natural numbers =
Sum of first n natural numbers =
Mean is the average of first n natural numbers.
Mean = =
Mean of first n natural numbers =
=>
=> 2(5x) = 9(n+1)
=> 10x = 9(n+1)
=> x =
Hence, the value of x is
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