Oblicz:
a)(√5 + 1)²
b) (2√3 +4)²
c) (√3+ pierwiastek z 2 przez 2) ²
d) (3√2 + 2√6)²
a)(√5 + 1)² = 5 + 2*√5*1+1 = 6+2√5
b)(2√3 +4)² = 4*3+16√3+16=28+16√3
c) (√3+ pierwiastek z 2 przez 2) ² = 3 + √2*√3 + 1/2 =3 1/2 + √5
d) (3√2 + 2√6)² = 9*2 + 4*3*√2*√6 + 4*6 = 18+12√12+24 = 42 + 12√2
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a)(√5 + 1)² = 5 + 2*√5*1+1 = 6+2√5
b)(2√3 +4)² = 4*3+16√3+16=28+16√3
c) (√3+ pierwiastek z 2 przez 2) ² = 3 + √2*√3 + 1/2 =3 1/2 + √5
d) (3√2 + 2√6)² = 9*2 + 4*3*√2*√6 + 4*6 = 18+12√12+24 = 42 + 12√2