Math, asked by angelina88, 1 year ago

prove -[-a]=a
plz I need it fast

Answers

Answered by VAVACHU

1

minus multiply by minus = plus

angelina88: prove how ??

Answered by Tanmaya78

0

minus minus is + so -(-a) =s

Tanmaya78: so guys a is exchanged with s

angelina88: prove how ?

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