if a+1/a=1 then a²+1 = what
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Step-by-step explanation:
supposed to be the right answer in one method ,. If a-1/a=5 the a-1=5a; -1=5a-a which is -1=4a which is a=-1/4 ————1; a²-1/a² is (-1/4)² ...
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Answer:
a square + 1 = -a
Step-by-step explanation:
(a + 1)/a = 1
a + 1 = a
squaring on both sides
(a + 1) square = a square
a square + 1 square + 2a = a square
[(a + b) square = a square + b square + 2ab]
a square + 1 = a - 2a
a square + 1 = -a
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