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SuperTramp
25th May 2006, 07:14 AM
Can anyone show me how to differentiate y=5^x

KatieB
25th May 2006, 11:00 AM
Can anyone show me how to differentiate y=5^x

This is a standard differentiation

log both sides to base e
ln y = x ln 5
diff. wrt x
(1/y) dy/dx = ln 5
=> dy/dx = y ln 5
substitute for y.
=> dy/dx = (5^x) ln 5

done!