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How do I solve a cubic?

You can solve a cubic by applying factor theorem. This is where you plug different values for x into your cubic f(x) = ax^3 + bx^2 + cx + d such that x is a factor of d, until you find a value t for which f(...
HW
Answered by Harry W. • Maths tutor
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What is the difference between a transverse and a longitudinal wave?

A wave is a transfer of energy of particles. In the case of a transverse wave, the particles oscillate perpendicular to their direction of movement (i.e it looks like they are moving up and down) and in the ...
HW
Answered by Harry W. • Physics tutor
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Personal Statement for a History course

I was first introduced to the Vietnam War through film and music, and this sparked my interest in the perceptions of the war. As the first TV broadcast war, I found that many opinions focused on the experien...
EF
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Distinguish between the effect of an increase in income and an increase in the price of a good on the demand for the good.

The demand of an individual consumer indicates the various quantities of a good (or service) the consumer is willing and able to buy at different possible prices during a particular time period, ceteris pari...
IP
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Write a critical appreciation of the passage, relating your discussion to your reading of American literature between 1880-1940.

When writing a critical appreciation of an extract from a specific genre or period of literature, it is imperative that students show an awareness of combining analytical workings with contextual and themati...
IC
Answered by Isabella C. • English tutor
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