a) 4y? x-3y
1) 20x3y - 20%
b) -2xy (5x-3)
ii) sx - S7 & S77
c) 5x (x2-y?+xy)
iii) 4x? - 94
d) (2x+3) (2x-3)
iv) -12y
e) 5x (4xy-4)
v) -10%?y + 6xy
a) iv, v, ii, i, iii Wv, iv, ii, ii, i
c) iv, v, ii, iii, i d) iv, v, iii, ii, i
2. Velu pastes 4xy pictures in one page of his scrap book. How m
need to paste "100%?y3" pictures?
a) 400xy b) 25x'y c) 25xy
V 400xy
3. Divide:
8X(p*4r + 2p'q?r? - 5p?q?r?) + (3pqr) ?
a) 9 (parº + 2 p?q?r - Spar)
b) 27 (pʻr + 2pq - 5)
c) 27 (p*r? + 2p?q?-5)
2
20.5)​