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Let f(x) be a polynomial of degree 1. If f(10)-f(5)=15, then f(20)-f(5)=?
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A box contains 8 blue & 6 red socks. What is the number of ways that 2 socks can be drawn ...
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Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"
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alternate way: count sum 1 + 2 + 3+... + n via "polynomial"
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Screen Recording 2024-02-16 at 9.10.00 PM
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Solve the following differential equation cos^2(x)dy/dx +y = tan(x)
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integral Find ∫1/(9-4x^2) dx
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IGCSE 2023 p2 Add Math #4
radical function sq root Find the derivative of f(x) = √(x+1)
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3 picture views of the sum ... 1+2+3+...+n