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What is the equation of the tangent to the curve y=x^3+3x^2+2 when x=2

dy/dx=3x^2+6xx=2m=3(2)^2+6(2)=24at x=2 y=22(2,22)y-22=24(x-2)y-22=24x-48y=24x-26
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Answered by Kieran H. • Maths tutor
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What is meant by the term optical isomerism?

Optical isomerism is a form of stereoisomerism (different arrangement of the same atoms in 3D space) which is caused by the presence of a chiral carbon in a molecule. A chiral carbon is a carbon with four di...
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Answered by Sophie M. • Chemistry tutor
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Explain the formation of an action potential in a neuron

Firstly, depolarization of the neuronal membrane occurs. This is due to a stimulus which causes voltage-gated sodium ion channels to open, allowing sodium ions to diffuse down their concentration gradient in...
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Answered by Sophie M. • Biology tutor
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Describe the ways in which the pancreas acts as both an endocrine and exocrine gland

The Endocrine part of the Pancreas is the Islets of Langerhans which contain alpha and beta cells. These cells secrete hormones directly into the blood. The alpha cells secrete glucagon and the beta cells se...
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Answered by Esther S. • Biology tutor
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How do you plan an essay within an A level exam?

Approaching unseen essay questions, and planning essays within the exam time constraints, can seem really intimidating. However having a sturdy planning method will allow you to attack any question with conf...
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