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the rule for differentiating in terms of x is to multiply by the power then decrease the power by one. So going through the equation x^3 will be multiplied by 3 and go to x^2 so will be 3x^2. Then its imp...
Firstly, we need to add up how many 'parts' this money is being split into by adding the ratio, 3+4+1 = 8 parts. Now we need to calculate how much one part is equal to by splitting our £300 into the 8 par...
Multiply the first terms in both brackets:2xx= 2x2Next multiply the first term of the first bracket and the second term of the second bracket:2x-5= -10x Multiply...
They both start with 20 sweets. To get the total number of sweets that Jack has, you need to take away x because that is the amount that he gives to will. Jack then eats 5 of his sweets so you need to tak...
Suppose:y = arcsin(x)Then, x = sin(y)And, dx/dy = cos(y) ----- (1)Using: dy/dx = 1/(dx/dy);Thus 1 becomes: dy/dx = 1/cos(y) ------ (2)Using: sin^2(y) + cos^2(y) = 1;JNAnswered by James N. • Maths tutor6510 Views
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