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Find the exact solution to ln(2y+5) = 2 + ln(4-y)

Solution is y = 4e 2 - 5 /2+e 2 By applying log laws we can reach the following: ln(2y+5/4-y) = 2 Given that ln x = log e x :e 2 = 2y+5/4-y Solve linearly : 2y+5 = e 2 (4-y) 2y+5 = 4e 2 - ye 2 2y + ye 2 = 4e...
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Answered by Michael H. • Maths tutor
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Find the integral of ln x

x*ln|x| - x
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Answered by Suleiman J. • Maths tutor
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What is (5+3i)*(3+5i)

The idea here is to explain to the student that i^2=-1, and to expand and simplify the brackets in question just like they would with simple algebra. Therefore: (5+3i)*(3+5i)=15+25i+9i+15i^2=15+34i-15=34i St...
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Answered by Sebastian K. • Maths tutor
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Mitosis is the process of cell division, it occurs in humans and in plants. Compare and contrast the process of mitosis in human cells and in plant cells (5 marks)

(1) shape- in animal cells round before division, plant cells maintain shape throughout. (1) centrioles- present in animal cell mitosis, form the spindle fibre AND Absent in plant cells, spindle fibre forms ...
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Answered by Amelia L. • Biology tutor
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How should I structure a paragraph in an essay?

I would advise to use, what is called a PEEL method. point (or thesis) of your paragraph, evidence, elaboration, link. This means the following. In the beginning, make a claim that is one of the arguments yo...
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