witam proszę orozwiązanie zadań z poniższej kartki
(x⁴*x⁶)/(x³*x⁻⁶) = x¹⁰/x⁻²=x¹²
(3⁻²)⁴:(1/3)⁻⁶ = 3⁻⁸/3⁶ = 3⁻²=1/9
(x⁵*x⁻²):(x⁻⁶)⁻²/(x⁻¹)⁻² = x⁹/x¹⁰ = x⁻¹=1/x
7⁶*7³=7⁹
6²⁰:6⁻²= 6²²
(y⁻⁷*y²)/(y⁻³*y⁻⁵) = y⁻⁵/y² = y⁻⁷
8
2 bo 2*2*2 =8
1/2 bo 8^-1/3 = ∛8 = 1/2
-1/2
16^1/2 = √16 = 4 (^ potega)
25^1/2 = 5
tego nie rozumiem 121^3/2 = 1331
4^3/2 = √64=8
36^1/2 = √36 =6
225^-1/2 = √1/225 = 1/15
144^-3/2 = 1/1728
9
(2√3-5)*(√3+2) = 6+4√3-5√3-10=-4-√3
2(3√5+1) - 3 (√5-11) + 4 (2-3√5)= (6√5+2) -(3√5+33 +8-12√5) = 6√5+2-(-9√5+41) = 15√5-39
nieczytelne
10
2/√2 =(2*√2)/√2*√2 = 2√2/2 = √2
3/3√5 = 3√5/15 = √5/5
1/(√5-√3) = (√5-√3)/2
(2√3)/(√7+√3) = (2√21+6)/10 = (√21+3)/5
2/1+√2 = (2-2√2)/-1 =-(2-2√2)
3/√8-2 = (3√8-6)/6 = √8/2 - 1
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(x⁴*x⁶)/(x³*x⁻⁶) = x¹⁰/x⁻²=x¹²
(3⁻²)⁴:(1/3)⁻⁶ = 3⁻⁸/3⁶ = 3⁻²=1/9
(x⁵*x⁻²):(x⁻⁶)⁻²/(x⁻¹)⁻² = x⁹/x¹⁰ = x⁻¹=1/x
7⁶*7³=7⁹
6²⁰:6⁻²= 6²²
(y⁻⁷*y²)/(y⁻³*y⁻⁵) = y⁻⁵/y² = y⁻⁷
8
2 bo 2*2*2 =8
1/2 bo 8^-1/3 = ∛8 = 1/2
-1/2
16^1/2 = √16 = 4 (^ potega)
25^1/2 = 5
tego nie rozumiem 121^3/2 = 1331
4^3/2 = √64=8
36^1/2 = √36 =6
225^-1/2 = √1/225 = 1/15
144^-3/2 = 1/1728
9
(2√3-5)*(√3+2) = 6+4√3-5√3-10=-4-√3
2(3√5+1) - 3 (√5-11) + 4 (2-3√5)= (6√5+2) -(3√5+33 +8-12√5) = 6√5+2-(-9√5+41) = 15√5-39
nieczytelne
10
2/√2 =(2*√2)/√2*√2 = 2√2/2 = √2
3/3√5 = 3√5/15 = √5/5
1/(√5-√3) = (√5-√3)/2
(2√3)/(√7+√3) = (2√21+6)/10 = (√21+3)/5
2/1+√2 = (2-2√2)/-1 =-(2-2√2)
3/√8-2 = (3√8-6)/6 = √8/2 - 1