The slope of the line perpendicular to the line y=-5x+9 is ___

The slope of the line perpendicular to the line y=-5x+9 is ___ Correct Answer 1/5

y = - 5x + 9 y + 5x = 9....... (1) সুতরাং, (১) নং রেখাটির লম্বরেখার সমীকরণ 5y - x = k y = x/5 + k লম্ব রেখাট ঢাল = 1/5
Bissoy MCQ

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