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period of sin(x+8x+27x+..... +n³x) is

sravani 23rd Aug, 2021

Answer (1)

Sonal Nimbriya 24th Aug, 2021

Hello there !

Hope you are doing fine.

f(x)= sin [{n*(n+1)/2}^2x]

period of f(ax+b) is T/|a|.

so, since period of sin is 2pi, the period of f(x) will be 8pi/[n*(n+1)]^2

Hope this helps.

Stay safe.

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