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Core 4 flashcards
Fichas del conjunto (46)
- 1Define an impartial fractionA fraction whose degree of numerator is equal to, or larger than, the degree of the denominator.
- 2ʃ y dx of a set of parametric equations can be found using what formula?ʃ y x \(\frac{dx}{dt}\) dt
- 3ʃ y² dx of a set of parametric equations can be found using what formula?ʃ y² x \(\frac{dx}{dt}\) dt
- 4What what values of x is this binomial expansion valid? √(1-3x)I-3xI<1
I3xI<1
IxI<\[\frac{1}{3}\] - 5What is the differentiation formula for parametric equations?
- 6What is the implicit differentiation formula?f(x).g(y)
f(x).g'(y) (dy/dx) + g(y).f'(x) - 7What is the differential of \(a^x\)?\(a^x\)lna
- 8If a rate is proportional to x then it can be said that the rate expression = ...kx
- 9A vector quantity has both....magnitude and direction
- 10What is a scalar?A single number with only magnitude/size but no direction.
- 11What is the triangle law?A law for adding vectors
- 12Adding the vectors PQ and QP gives...0
- 13The modulus of a vector gives its...Magnitude
- 14How do you find the unit vector of a vector a?a
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I a I - 15If \(\ambda\)a + \(\mu\)b = \(\alpha\)a + \(\beta\)b and the non-zero vectors a+b are not parallel...\(\ambda\) = \(\alpha\)
\(\mu\) = \(\beta\) - 16The distance from the origin to point (x, y, z) is...√x²+y²+z²
- 17THe distance between 2 points: ₂₃₁ (x₁, y₁, z₁) and (x₂, y₂, z₂) is...√[ (x₁-x₂)² + (y₁-y₂)² + (z₁-z₂)² ]
- 18What is a.b called?The scalar product
- 19What is the formula for the scalar product of 2 vectors?a.b = I a I I b I cos \(\theta\)
- 20If two vectors are perpendicular then a.b = ...a.b = 0
- 21If 2 vectors are parallel a.b = ...a.b = I a I I b I
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- 32What is the sec²x identity?
- 33What is the Cot²x identity?
- 34What is the sine double angle identity?
- 35What are the 2 forms of the cosine double angle identity?
- 36What is the integration by recognition formula for a fraction?
- 37What is the integration by recognition formula for functions with powers?
- 38What is the integration by parts formula?
- 39What is the trapezium rule?
- 40What is the formula for calculating h in the trapezium rule?
- 41What is the formula for solids of revolution 360 degrees of f(x)?
- 42Which method can you use to solve this and what is its formula?Separating of variables
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- A2 level Maths Fichas sobre Core 4 flashcards, creado por J000D97 el 24/02/2015.
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