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If y = ln (x+1) sin x , find dy/dx

u = ln (x+1) v = sin x du/dx = 1/(x+1) dv/dx = cos x Therefore, by the product rule, dy/dx = [sin x / x+1] + [ln (x+1) cos x]
EC
Answered by Edward C. • Maths tutor
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Using a price ceiling diagram, analyse the impact a maximum price might have on the market for food.

A maximum price is a price set below the market equilibrium by the government which firms are not allowed to exceed. This can result in creating disequilibrium in the market resulting in excess demand. In th...
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Answered by Izma M. • Economics tutor
9192 Views

X, a gas, has a mass of 0.270g and is present in a gas syringe with a volume of 105.0cm^3 at 97C and 100kPa. Calculate the Mr of X. (5 marks)

This is a classic A-level question which uses the formula:PV=nRT First, this equation (which needs to be learnt, it is not given in the exam papers) must be rearranged to:n=PV/RTWhat all these letters in the...
JB
Answered by Jack B. • Chemistry tutor
3354 Views

Describe and explain some of the adaptations xerophytes have against living in extreme dry conditions.

Xerophyte adaptations include: Curled leaves - create a micro-climate of more humid surrounding air, hence less water is lost to the dry surroundings. Small hairs on leaves - slow surrounding air flow, there...
MJ
Answered by Marlon J. • Biology tutor
10925 Views

What is the difference between a pluripotent stem cell and an diploid somatic adult cell? Explain how these characteristics make them ideal for research.

Stem cells tend to have two distinct characteristics that set them apart from all other cell types. 1) They are able to grow indefinitely in defined media unlike somatic cells which die after 40-60 divisions...
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