E = [(a+b)^2]^1/2

Square both sides:

E^2 = (a + b)^2

Take the square root of both sides:

E = a + b

subtract a form both sides:

E - a = b

Or am I missing something?

--
HTH

Sandy
In Perth, the ancient capital of Scotland
and the crowning place of kings


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"Krisda" wrote in message
...
from E = [(a+b)^2]^1/2
write in excel is " =sqrt((a1+b1)^2) "

but I need to find a volume of "b" but,I have a "E" and "a"
How to writr a function for excel to calculate to give a volume of "b"

Regards