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Here we need to use the product rule in order to differentiate as we have two functions involved that are being multiplied together. Therefore we use the formula:dy/dx = u dv/dx + v du/dxFirst let u=(x^2 ...
This question requires 2 logical steps. The first is to calculate how many balls Tom and Amy have after the transaction. The second is to use a formula to calculate the percentage of balls left . Reading ...
x2 +6x +11this is a quadratic so we try to factorise it. x2 +6x can be turned into (x+3)2 -9 and we plus the 11 from the beginning so the final answer should look like (x+...
Answer: 4x3 + 12x2y + 9xy2 - 16x2 - 48xy - 36y2
(1) y-3x+2=0(2) y2-x-6x2=0Using (1): y=3x-2Sub y value into (2): (3x-2)2-x-6x2=0Expand the brackets: 9x2-13x+4-x-6xPAAnswered by Phoebe A. • Maths tutor7802 Views
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