Question

question no. 9th verify minus 2 by 7 minus 3 by 5 is not equal to 3 by 5 minus minus 2 by 7​

Answer 1

Answer:

ur question is like 2/7-3/5 ≠ 3/5-2/7

first we will solve 2/7-3/5

=10-21/35 _____________{taking l.c.m.}

= -11/35 _______________L.H.S

now; 3/5-2/7

= 21-10/ 35 ____________{taking LCM}

= 11/ 35 _______________R.H.S

therefore HCF≠LCM

hence proved