Question

12. (2) ( left(frac{1}{9}right)^{2}left{1-9left(frac{16-1}{90}right)^{2}right} )
( =frac{1}{81}left{1-9left(frac{1}{6} times frac{1}{6}right)right} )
( =frac{1}{81}left(1-frac{9}{6 times 6}right)=frac{1}{81} times frac{3}{4} )
( =frac{1}{108} )

# 12. ljy dhft, % (0.11-910-15 (0) 2 ( ਰੇਡ 7696 06 ) (3) (4) 109

Solution