Mathematics, 08.12.2020 20:40 vanessacox45

Which expression is a factor of $9r {}^{2} - 4r + 1$
1.r-1
2.9 r-1
3.3 r-1
4.or there are no real numbers
please hurry

Answers: 1

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Which expression is a factor of
1.r-1
2.9 r-1
3.3 r-1
4.or there are no real...

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