September 2018 1 44 Report

3.Zamień na potęgę lub iloczyn.

a) a²+2ab+b²=

b) 9a²+3a+¼=

c) 25-36x²=

d) 16x²-8xy+y²=

4.Oblicz.

a) (3+2√2)²=

b) 3(√5-4)²=

c) 2(√2-5)²-3(√2+3)²=

5.Doprowadż do najprostszej postaci.

a) (2x-3y)²+(x-2y)(x+2y)=

b) x(x-1)²-x²(x-2)=

c) (m+2n)²-3(m-2n)²-5(m+2n)²=

d) 2[m(m+2)²-(m+1)(m-1)]-8m(m+1)=

e) 2[3(x-2y)-(x+y)²]+4[(x+2y)²-4(½x²-y+1)]

pierwiastki

usuń pierwiastek z mianownika

1/2√3=

2/√2+4²=

2/√5-(3/2)²=

oblicz

∛8/125=

4*√81/16 + 5*√64/25 - 2* ∛27/8=

(wszystko pod pierwiastkiem vały ulamek->) √36a²b do 4 dzielone c do 6

(√2+√8)²

(√18-√2)²

(√3-√2)(√3+√2)

(√2+√50)²-2²

3³*2³-(√2)²+4(√72-√2)²

(√3-5)(√3+3²)


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