1.(-1)*(-1)=_ 2.(-1)*[-1)*-1=_
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Answers
Answered by
1
1/
Solution
______________________________________________________________
(-1) x (-1) ,.
we know the sign convention that,
(-) x (-) = +
and 1 x 1 = 1,.
so,
(-1) x (-1) = +1,..
_____________________________________________________________
2/
Solution:
_____________________________________________________________
(-1) x (-1) x -1
= +1 x (-1)
we know the sign convention that,
(+) x (-) = -
=> (+1) x (-1) = -1
_____________________________________________________________
Hope it Helps !!
Solution
______________________________________________________________
(-1) x (-1) ,.
we know the sign convention that,
(-) x (-) = +
and 1 x 1 = 1,.
so,
(-1) x (-1) = +1,..
_____________________________________________________________
2/
Solution:
_____________________________________________________________
(-1) x (-1) x -1
= +1 x (-1)
we know the sign convention that,
(+) x (-) = -
=> (+1) x (-1) = -1
_____________________________________________________________
Hope it Helps !!
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