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Formelblad matematik 4 - nokflex-cdn.nok.se
1(8). Formelblad matematik 4. Algebra Regler (a + b) 2 =a 2 + 2ab + b 2 (a + b)3 =a3 + 3a 2b + 3ab 2 + b3. (a b) 2 =a 2 2ab + b 2 (a b)3 =a3 3a 2b + 3ab 2 b3. (a + b)(a b) = a 2 b 2. a3 + b3 = (a + b)(a 2 ab + b 2 ). a3 b3 = (a b)(a 2 + ab + b 2 ). Andragradsekvationer x 2 + px + q =0 ax 2 + bx + c =0. p p . 2 b b 2 4ac x= q x=.. 2 2 2a 2a Aritmetik Prefix T G M k h d c m n p tera giga mega kilo hekto deci centi milli mikro nano piko 1012 109 106 103 102 10 1 10 2 10 3 10 6 10 9 10 12. ax 1. Potenser a x a y = a x+ y = a x y (a x ) y = a xy a x =.
Formelblad matematik 4 . Algebra Regler 2a b a ab b+=+ +22 2 2ab a bba−=− +22 2 ( )( )a ba b a b+ −= ...
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