solve 11 question plz frnds
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hello here is your answer by Sujeet yaduvanshi ☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝☝
Answer:-x²-5x-1800
Let the speed of the train be x km/hr.
Time taken to cover 360 kmhr
According to the given question,
360 / x - 1 = 360 / x + 5
360 / x - 360 / x + 5 = 1
360 (x+5) -360 (x) / x (x+5) =1
360x + 1800 - 360x / x2 + 5x = 1
1800 = x2 + 5x
x2 + 5x - 1800 =0
that's all
Answer:-x²-5x-1800
Let the speed of the train be x km/hr.
Time taken to cover 360 kmhr
According to the given question,
360 / x - 1 = 360 / x + 5
360 / x - 360 / x + 5 = 1
360 (x+5) -360 (x) / x (x+5) =1
360x + 1800 - 360x / x2 + 5x = 1
1800 = x2 + 5x
x2 + 5x - 1800 =0
that's all
manobhiramreddy01:
how by steps
plz bro
no y didn't answer
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