Svar 2.1:1
Förberedande kurs i matematik 1
(Skillnad mellan versioner)
(Ny sida: ===Övning 2.1:1=== <div class="ovning"> Utveckla {| width="100%" cellspacing="10px" |a) |width="33%" | <math>3x(x-1)</math> |b) |width="33%" | <math>(1+x-x^2)xy</math> |c) |width="33%" | ...) |
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(2 mellanliggande versioner visas inte.) | |||
Rad 1: | Rad 1: | ||
- | ===Övning 2.1:1=== | ||
- | <div class="ovning"> | ||
- | Utveckla | ||
{| width="100%" cellspacing="10px" | {| width="100%" cellspacing="10px" | ||
|a) | |a) | ||
- | |width="33%" | <math>3x | + | |width="33%" | <math>3x^2-3x</math> |
|b) | |b) | ||
- | |width="33%" | <math> | + | |width="33%" | <math>xy+x^2y-x^3y</math> |
|c) | |c) | ||
- | |width="33%" | <math>- | + | |width="33%" | <math>-4x^2+x^2y^2</math> |
|- | |- | ||
|d) | |d) | ||
- | || <math>x^3y | + | || <math>x^3y-x^2y+x^3y^2</math> |
|e) | |e) | ||
- | ||<math> | + | ||<math> x^2-14x+49</math> |
|f) | |f) | ||
- | ||<math> | + | ||<math> 16y^2+40y+25</math> |
|- | |- | ||
|g) | |g) | ||
- | ||<math> | + | ||<math>9x^6-6x^3y^2+y^4</math> |
|h) | |h) | ||
- | ||<math> | + | ||<math> 9x^{10}+30x^8+25x^6</math> |
|} | |} |
Nuvarande version
a) | \displaystyle 3x^2-3x | b) | \displaystyle xy+x^2y-x^3y | c) | \displaystyle -4x^2+x^2y^2 |
d) | \displaystyle x^3y-x^2y+x^3y^2 | e) | \displaystyle x^2-14x+49 | f) | \displaystyle 16y^2+40y+25 |
g) | \displaystyle 9x^6-6x^3y^2+y^4 | h) | \displaystyle 9x^{10}+30x^8+25x^6 |