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differentiate- X^3- 2X^2+3

3-1=2 2X2 = 4 2-1= 1 =3x^2- 4x
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Answered by Radhika T. • Maths tutor
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name 4 ways the lung is adapted for gaseous exchange

thin diffusion distance- 1 cell thick 2. large surface area- alveoli 3. large concentration gradient- lots of blood vessels 4. moist
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Answered by Radhika T. • Biology tutor
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Explain the concept of 'chemiosmosis' in oxidative phosphorylation

The process of chemiosmosis essentially addresses the issue of storing chemical energy into a specific bond. The conversion from chemical energy in the coenzymes, such as NADH and FADH 2 to ATP cannot occur ...
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Answered by Narut P. • Biology tutor
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What is the difference between global and local variables?

The main difference between global and local variables is where they can be used in the program. Using a variable globally means that it WILL suffer changes everytime its value changes, whether this happens ...
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Answered by David P. • Javascript tutor
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A cone has a radius of 2 units and a height of 3 units. Devise a simplified equation to find the volume of the cone.

Vol = 1/3 pi r^2 h r = 2n h = 3n Therefore Vol = 1/3.pi.(2n)^2.3n Vol = 1/3.pi.12n^3 Vol = 4.pi.n^3
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Answered by Toby M. • Maths tutor
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