This document contains mathematical equations and expressions related to calculus. It includes derivatives of functions with respect to variables a and b, as well as integrals involving a, b, and other variables. The document seems to be working through various steps of calculus problems or examples involving derivatives, integrals, and algebraic manipulations of expressions with variables.

1. h.irr^r: G;[: Euti AY'
FltH '- 'Lz t0? o3
r) - tr;p:
rqL) n
= an "bn
a.h - a.b C, J
) At wz V Cv) dzu n 'v . wtrsz
rdrL p c e+L adllah I nna r
Zrrtrr.t
b
= o,o|'
6ab)v+r26atr*t- 5v+r
CabWr = ^b
-b? " nL
Cabv+t = oa Lr
f q-bt
,nl.,tt+ 14
= aV lr,
Un|uu ge*tap a
= Ca'.q.t -Llbz) + Cot,tlz tt a{i Earew i z= r
^ ( q,qz - LrLz)L.l (atb, 1L,4. )z
+bri
r,rlu
b,
qtL t b,' q,z *la:
" + L,z a," +Lt
d.zngtn ilev'',;'eim G Weruya'ean 6ruP

2. Z- ?iV) G flrv? Lqn untur tlenLilas e, lan t'z = e , a tG laitleL,i@atn
G Vo**LrLt{ peka|wrn lrr%*s ,
cab) th
-'a-r)
= &tta [-' ) a-
, Lqe ) o-,
= 6. Q-l
iP11lP :
:h"bit feLrnanq a,L (,2 f o
a"L = a.[ -k*ner.*
Pa, ILB meu:6 turtrrtop
enhil" g"Lrrzy,g q b,c (? to n"e,es =arL"U=('{-.L)ot/-l
fa.L-.
Cq-L
"a. - Cl, .c)
id r',.rXitrs e
fiernL;v; lm,er.s kQV t bnreo> G tnernettul'ti Ve4 anllst>
eragqotr- isdi G rneruPa Er n €ro uoP
,vT.

3. 4&-Q.(zn a*L,. q-b, ot,b eA,r,",e*,
i ?qLrLup : trzrertt peno)wnnXan Ava f,ilxrgzn
adolah iuq Ln$urn'uap l^;1 . k,lv[ di a L- , ( v
a Asoeiat;f : (t-r.or.an
) [ a+ C*b +a = "t + C t-h)+,r]
o"-L+rt = a.*C,t-b
2 a+L 4a,
Ji a,b €>
+ a,b. a,+(b+ob
e lnUers ("
a* e+^b , d,Tre e
b) a'*(ar
ynatp> , aE *o. -- q -b ^o,
la/,,
a,b = a -L -d, * 4
aL = a -b
aL -b' =
-- qL => *on",ruLri