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IntroFirstly, think about what it means to be an 'effective' leader. Some criteria could be electoral support, influencing decisions in Westminster, and achieving legislation. Note that these criteria are...

Germ line cells is the correct answer.This type of question is separating the function of somatic and germ line cells.The somatic cells is found through out the body as it maintains the cell number in the...

This question challenges a students skills with integration and trigonometry a very common question on Core 4 papers that can leave students struggling. First we use our knowledge that cosecy=1/siny and m...

First we need to find the intersection point(s) of L and C so set 6x-x²=16-2x and rearrange to get x²-8x+16=0 so (x-4)²=0.Repeated root so line is tangent to the curve at ...

rewrite the equation in a more helpful way:y=8x² + 2x^-1 differentiate:dy/dx = 16x -2x^-2set equal to 0 and solve for x16x -2x^-2 = 016x -2/ x²=016x= 2/...