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djdylan2000. bits goa eee

Blazing goIITian

Joined:	7 Feb 2007
Post:	1608

1 Apr 2009 19:39:46 IST

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325

solve this quadratic

None

This is part of a chemistry problem, but i only want d mathematic(its of ionic equil)

The equation is

(x+10^-7)x =10^-14

Can som1 solve the equation showing the steps? plz. Thanks

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Comments (3)

Shubhat aka Shubbhuu

Cool goIITian

Joined: 31 Mar 2009

Posts: 49

1 Apr 2009 19:43:42 IST

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+ 10^-7 x - 10^-14 = 0

Using the quadratic formula, x = [- 10^-7 + sqrt(5*10^-14)] / 2 = 10^-7(root5 - 1) / 2

I have ignored the possibility of the other root which came out to be negative.

Roger Federer

Blazing goIITian

Joined: 19 Mar 2009

Posts: 346

1 Apr 2009 19:53:59 IST

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use quadratic formula !!!!!!

shubhat is right

djdylan2000. bits goa eee

Blazing goIITian

Joined: 7 Feb 2007

Posts: 1608

1 Apr 2009 22:48:24 IST

Like 0 people liked this

Thanks guys, I had used dat formula, but made a stupid subtraction mistake!

Neway, thanks

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