5. Exercises

From Förberedande kurs i matematik 1

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Exercise 5:1

Write the formulas in TeX

a) \displaystyle \displaystyle\frac{a+b}{d-c} b) \displaystyle \sqrt{3}
c) \displaystyle 4x^2 - x d) \displaystyle \sin^2 x + \cos x


Exercise 5:2

Simplify

a) \displaystyle (3-(7-4))(6-5) b) \displaystyle 3-(((7-4)+6)-5)
c) \displaystyle 3\cdot(-7)-4\cdot(6-5) d) \displaystyle 3\cdot(-7)-(4+6)/(-5)