Uppgift 1.4:48. Universums Ã¥lder. 

Typesetting:-mrow(Typesetting:-mi( 

Typesetting:-mrow(Typesetting:-mi( 

`+`(`-`(diff(N(t), t))) = `*`(k, `*`(N(t))) (2.1)
 

Typesetting:-mrow(Typesetting:-mi( 

N(t) = `*`(n, `*`(exp(`+`(`-`(`*`(k, `*`(t))))))) (2.2)
 

Typesetting:-mrow(Typesetting:-mi( 

proc (n, k, t) options operator, arrow; `*`(n, `*`(exp(`+`(`-`(`*`(k, `*`(t))))))) end proc (2.3)
 

Typesetting:-mrow(Typesetting:-mi( 

proc (T) options operator, arrow; `/`(`*`(ln(2)), `*`(T)) end proc (2.4)
 

Typesetting:-mrow(Typesetting:-mi( 

`/`(`*`(exp(`+`(`-`(`*`(0.2217294900e-9, `*`(ln(2), `*`(t))))))), `*`(exp(`+`(`-`(`*`(0.1408450704e-8, `*`(ln(2), `*`(t)))))))) = 137.7 (2.5)
 

Typesetting:-mrow(Typesetting:-mi( 

5987408555. (2.6)
 

Typesetting:-mrow(Typesetting:-mi( 

0.6e10 (2.7)