Solve for k in
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1) Square both sides 2) Expand both sides fully 3) Group like terms 4) Solve.
this is my wrong attempt.
Last edited by Punch; Feb 23rd 2010 at 03:44 AM.
Originally Posted by Punch this is my wrong attempt. Wrong or just incomplete?
grouping them, i will get which simplifies to which is wrong...
I get... Originally Posted by Punch
from , shouldn't it be done like this?
I'm getting 0.2955 and -0.55919 The answer is ~0.4 (according to Microsoft Maths).
Originally Posted by pickslides I get... pickslides's answer is correct accordingly to the answer. However, I do understand his workings, let's wait for him to show us how to solve it properly.
ok then it's all good. I am also wanting to know.
Originally Posted by Punch This should be [/tex]4(16k^2- 8k+ 1)= [/tex] this is my wrong attempt.
Thanks... It's getting more and more confusing... seriously need someone to show the full workings.
it's still wrong, curious about how pickslides got the answer...
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