question no. 29 please fast Mathematics (XD- 4
Solve graphically ; x 2y s 10. x + y > l, x —y s 20
2 . A' •linthebirxynialexparsicmof(l•
are in AP prove that# 41)+4r2 —2 O
. Tlrcableofa uniformly loaded susTrnsim bridge in the form Of
a parabola. The roadway which is horizontal and I OOm long is
suspenda! by vertical attaches to the cable. the longest 'Bire
tring 3Chn the shortest being 6 m find tlr length ofsupporting
wire attxhed to thc roadvay 18m from the middle.
a If (x 4 y + z) fix). f (y) (z) andift(2)
•4 and find f@2)
. If y = x(ex: • bx find
