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arrange varibles in order
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tohellandback
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IMO A
1)M<0
Clearly,-M/5 and -5M are positive and -5M>-M/5
M-5 is negative
so -5M>-M/5>M-5
SUFF
2)
for M=0, all terms are 0
for M<0 ,as in 1
Not SUFF
1)M<0
Clearly,-M/5 and -5M are positive and -5M>-M/5
M-5 is negative
so -5M>-M/5>M-5
SUFF
2)
for M=0, all terms are 0
for M<0 ,as in 1
Not SUFF
The powers of two are bloody impolite!!
