Calculate the coordinates at which the gradient is zero for the curve Attemped solution and since gradient=0, Stucked here!! need help in solving for x...
Last edited by Punch; February 12th 2010 at 01:43 AM.
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Originally Posted by Punch Calculate the coordinates at which the gradient is zero for the curve y=\frac{\sqrt{1-x}}{\sqrt{x^2+3}} Attemped solution and since gradient=0, Stucked here!! need help in solving for x... Taking the derivative and setting to 0...
Originally Posted by VonNemo19 Taking the derivative and setting to 0... Please look at my attemped solution, I have already tried to differentiate. The problem lies in solving for x....
Originally Posted by Punch Calculate the coordinates at which the gradient is zero for the curve Attemped solution and since gradient=0, Stucked here!! need help in solving for x... Multiply both sides by so Multiply both sides by and you get rid of the fractions and the square roots.
Originally Posted by Punch Calculate the coordinates at which the gradient is zero for the curve Attemped solution and since gradient=0, Stucked here!! need help in solving for x... Actually The rest of the derivative looks correct. When you solve for , try putting everything over a common denominator first...
thanks!
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