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For posting question and solutions its not needed as you now @vipul johri
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Megh Choksi
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1 year, 10 months ago

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A railway line runs parallel to a road until a bend brings the road to a level crossing. Ahmed driving his car to work along the road every day at a constant speed of 30 m/h. He normally meets the train at the crossing. One day Ahmed was late by 6 minutes and met the train 5 miles ahead of the crossing. What is the speed of the train?
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Ossama Ismail
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1 year, 1 month ago

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Let \(f(x)=x^{3}+x^{2}-{2}x-1\) .
If \(f(A)={0}\) find \(f(A^{2}-2)\)
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Rob Matuschek
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1 year, 1 month ago

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After signing in, on the home page ,at the top of althe screen there's a tab named Post which has the options Problem,Note,Wiki.
There u are .
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Azhaghu Roopesh M
·
1 year, 10 months ago

@Azhaghu Roopesh M
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on response to roopesh. i know that but that typing division, and all operations iam not able to perform
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Vipul Johri
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1 year, 10 months ago

## Comments

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TopNewestFor posting problems with mathematical expressions refer this

For a complete guide for higher mathematical expressions refer This Wikibook

An example -

Writing this we get,

You can refer others too ,

Right Click a problem and select open in a new window

Now just copy it your job becomes easier

For posting images in a comment write

! [Description or leave it blank] (Url of the image) ( don't leave any gap here)

For posting question and solutions its not needed as you now @vipul johri – Megh Choksi · 1 year, 10 months ago

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A railway line runs parallel to a road until a bend brings the road to a level crossing. Ahmed driving his car to work along the road every day at a constant speed of 30 m/h. He normally meets the train at the crossing. One day Ahmed was late by 6 minutes and met the train 5 miles ahead of the crossing. What is the speed of the train? – Ossama Ismail · 1 year, 1 month ago

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Let \(f(x)=x^{3}+x^{2}-{2}x-1\) . If \(f(A)={0}\) find \(f(A^{2}-2)\) – Rob Matuschek · 1 year, 1 month ago

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After signing in, on the home page ,at the top of althe screen there's a tab named Post which has the options Problem,Note,Wiki. There u are . – Azhaghu Roopesh M · 1 year, 10 months ago

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– Ashley Shamidha · 1 year, 6 months ago

I couldn't find the option there. Someone please help!!Log in to reply

– Vipul Johri · 1 year, 10 months ago

on response to roopesh. i know that but that typing division, and all operations iam not able to performLog in to reply

– Vipul Johri · 1 year, 10 months ago

thnks megh choksiLog in to reply