Plz solve no.14 using special products Usin» special products. find the value oi the ionowing .
.0 95 105
7-6.
(Hint. 84 x 76 0-4) (8
each Oi the following as a perfect square
2 + nab + 9b2 81p2 90pg + 25qZ (i.;n5x2 — + 36y2
(v
LZfif x * y 12 and XY 35, find the value of yr.
Mf x — y = 7 and xy 18, find the value Of x2 + y2.
If a — b *and 42 + E.'2 22, find the value of ab.
ælfa+ — = 4, evaluate : + 1
. If x--
