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प्रश्न
Find the value of m if the line 2x + 5y + 12 = 0 passes through the point
( 4,m ).
उत्तर
The line 2x + 5y + 12 = 0 passes through (4,m)
(4,m) will satisfy the equation of line
2(4) + 5(m) + 12 = 0
8 + 5m + 12 = 0
5m + 20 = 0
m = `(-20)/5`
`therefore` m = -4
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