if the mean of 1,2,3,........,x is 6x/11, find x
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x * x+1 /2x = 6x / 11
x +1 = 12x /11
x / 11 = 1
x =11
please comment if you have any doubt
x +1 = 12x /11
x / 11 = 1
x =11
please comment if you have any doubt
Pravallika2411:
How can you such comments??
i just want to see them
please stop saying such in comments!?
then shall i message u
no
i unnecessarily answered u
Can u pls xpln me ...why u put x*x+1/2x.
n(n+1)/2
sum of n natural number s
Oh... Ya... Thnk u so.. Mch...
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