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Find the stationary points of the equation. f(x)=3x^2+4x.

Stationary points are points on the graph where the gradient is equal to 0.The gradient for any given point can be calculated by differentiating the original equation.f(x)=3x^2+4xDifferentiating gives:=> ...
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Answered by Ethan W. • Maths tutor
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i) differentiate xcos2x with respect to x ii) integrate xcos2x with respect to x

i) For this question we need to use the product rule as there are two functions that are being multiplied together Product Rule: (uv)'=u'v + v'u Apply this formula to the problem: xcos2x => u=x, u'=1 =&gt...
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Answered by Carina P. • Maths tutor
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How do you form the perfect tense in French

You take the infinitive, check to see if it's in MRS VANDERTRAMP, if it is then the auxiliary verb will be 'etre' and the past participle will need to agree in number and gender with the subject. If the verb...
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Answered by Claudia J. • French tutor
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Who are at the greatest risk of developing type II diabetes

Overweight and obese people
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Describe what is meant by the 'lock and key' theory.

When binding two things together in biology, such as an enzyme and a substrate, in order to fit together they musth ave a specific shape. The shape of the enzyme active site must be the reciprocal to the sha...
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Answered by Lily W. • Biology tutor
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