# For what values of m the pair of equations 3x+my=10 and 9x+12y=30 have a unique solution?

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pls nswer na freinds............

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by alphabeta

pls nswer na freinds............

PL

EA

SE

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a₁/a₂≠b₁/b₂

=3/9 ≠m/12

=12×3 ≠9m ( cross mutlipilcation)

=36 ≠9m

=m≠ -4