Find mean propotional of 9and81
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9/81. =1/9 is the proportional
vaibhav4882:
no
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let mean.proportional is x
9:x::x:81
x^2=9×81
x=√81×9
x=9×3
x=27 ans
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9:x::x:81
x^2=9×81
x=√81×9
x=9×3
x=27 ans
i hope its hlp you
follows me
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