712−212 = _____.
512
612
412
14
Since all three are like fractions, we can directly add the numerator of the fractions: 712−212 =7−212=512
Verify the following
(i) −125+27=27+−125
(ii) −58+−913=−913+−58
(iii) 3+−712=−712+3
(iv) 2−7+12−35=12−35+2−7
If equation of a plane is given 4x+2y+12z=7 then x,y & z intercepts will be