plz solve this sum urgently:
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(i) (-2)+(-2/3) L.H.S
= -8/3
a+b L.H.S
(-2/3)+-(2)
=-8/3
b+a R.H.S
L.H.S=R.H.S
-8/3=-8/3
HENCE VERIFIED
a+b=b+a
(ii) (-12)+(-9/11) L.H.S
= -12-9/11
=-132-9/11
=-141/11
a+b=L.H.S
(-9/11)+(-12) R.H.S
= -9/11-12
= -9/11-132
=141/11
b+a=R.H.S
L.H.S=R.H.S
-141/11=-141/11
HENCE VERIFIED
= -8/3
a+b L.H.S
(-2/3)+-(2)
=-8/3
b+a R.H.S
L.H.S=R.H.S
-8/3=-8/3
HENCE VERIFIED
a+b=b+a
(ii) (-12)+(-9/11) L.H.S
= -12-9/11
=-132-9/11
=-141/11
a+b=L.H.S
(-9/11)+(-12) R.H.S
= -9/11-12
= -9/11-132
=141/11
b+a=R.H.S
L.H.S=R.H.S
-141/11=-141/11
HENCE VERIFIED
Anonymous:
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