Dont study=fail--------------------- 1
study=Dont fail---------------------- 2
Adding both eqns,
ds+s=f+df
taking common,,
s(d+1)=f(1+d)
cancel 1+d,,
s=f
Study=fail
Hence proved,,,,,,,,,,
So Dont study
study=Dont fail---------------------- 2
Adding both eqns,
ds+s=f+df
taking common,,
s(d+1)=f(1+d)
cancel 1+d,,
s=f
Study=fail
Hence proved,,,,,,,,,,
So Dont study