Question 4 continued

st.s

arlb @r 0.r (}.r

Gr-_&, ., O.r -Qz/

168- lo'/ '

e) --0nerLrL d---:-5 =) x O'at =) gqle<t selr-!s-,

d) A^p ,r tt a. exphnakr.l \tutak{g as rt rsrvYae6ndart o1 f,^€- D4dhn .

(deq(t,r.* uur(( be t'l,r.a- )eOgnbeot uorraH{- artt tirl( fu" a{eterr*r,nod' 4io^/.'6e* AJc.

e) i) br = lt-6- o.o2s3xS G lt.S Gsp)