How do I go about tackling the problem below? Is started with trying first principles and came up with this I'm stuck
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Originally Posted by Craka How do I go about tackling the problem below? Is started with trying first principles and came up with this I'm stuck So using the chain rule and the known derivative of etc: which you should be able to complete RonL
Originally Posted by Craka How do I go about tackling the problem below? Is started with trying first principles and came up with this I'm stuck if y=a^x then dy/dx=a^x(lna) so if y=4^x dy/dx=4^x(ln4) but its given dy/dx=k.4^x comparing both you can get the value of k=ln4
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