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Find the equation of the tangent to the curve y=3x^3+x^2+5 at the point (1,9)

y=11x-2

Answered by Ethan W. • Maths tutor

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By using partial fractions, integrate the function: f(x) = (4-2x)/(2x+1)(x+1)(x+3)

Given that sin(x)^2 + cos(x)^2 = 1, show that sec(x)^2 - tan(x)^2 = 1 (2 marks). Hence solve for x: tan(x)^2 + cos(x) = 1, x ≠ (2n + 1)π and -2π < x =< 2π(3 marks)

I'm confused about differentiation and integration, could you explain these to me?

Integrate 2x^3 -4x +5

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