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First factorise: (x - 2)(x - 5) = 0
Then either: x - 2 = 0 so x = 2
or x - 5 = 0 so x = 5
Many people allow English to fall to the bottom of their priority list when revising for exams. Unlike other academic subjects, English is not a sequence of learning facts for a simple question and answer...
Quesiton:
Solve 10x - 7 = 5x + 3, to find the value of x
Answer:
x = 0.5
Solution:
Quotient rule: (vu' - uv')/v^2
u = 4x + 1
u' = 4
v = x - 2
v' = 1
Input into formula:
[(x - 2)(4) - (4...
Tangent is parallel, therefore (dy/dx)=0.
Find y:
y = r sin(x) = 3a(1 + cos(x))(sin(x))
Differentiate y with respect to x
dy/dx = 3a[(2cos(x) - 1...
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