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When we integrate by parts, we begin by setting the first term to equal some variable U, the second term in the integral we set to be dv/dx. Then we differentiate the U to obtain du/dx and integrate dv/dx...

When blood glucose levels drop too low it is detected by hypothalamus. The release of insulin by the pancreas is stopped so no more glucose is converted to glycogen. Instead glycogen, which is stored in t...

tanx = 4cotx + 3  - Multiply through by tan to form a quadratic. tan^2x = 4 + 3tanx - Simplify by allowing y to equal tanx. y^2 = 4 + 3y - Rearange to standard quadratic form. y^2 - 3y -4 = 0 - Factorise....

You could start by outlining the weaknesses of the opposition. The first factor to consider is the weak and ineffective opposition to the regime which was further weakened by infighting (1903 split of the...

The best way to explain factor-based questions is to split up the essay into paragraphs explaining different factors whilst linking these factors together throughout the essay. Do not be afraid to emphasi...