Mathematics
Mathematics, 17.04.2021 14:00, jjj1931

Help me plz.. the pair of line represented by equation 9x²+12xy+(k+1)y²=0 coincide, find the value of k​

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Help me plz.. the pair of line represented by equation 9x²+12xy+(k+1)y²=0 coincide, find the valu...

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