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BecomeMyFan=D Group Title

another simple question

  • 3 years ago
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    \[(1/(2-t)) + (1/(2+t)) = 2\]

    • 3 years ago
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    i got to the point where 2 = 4/((2-t)(2+t))

    • 3 years ago
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    but i dont know how to go from here, and i dont even know if im right about this step

    • 3 years ago
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    i tried to simplify the denominator and got an answer 4/(4-t) am i correct?

    • 3 years ago
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    I'm not so good at these either, re arranging things to get the right look. The best thing to do is to practice a lot of pre-algebra questions. Download some ebooks about that and it will show you how to do these easily. But don't spend months trying to find the best ebooks or videos on the internet. Just find a few and do them then suddenly you're on the right track. It's easy after that. And whatever you don't understand, you should immediately ask here like what you're doing right now. Good Luck :) And keep on persisting.

    • 3 years ago
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    ok, thx for the study tip

    • 3 years ago
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    :)

    • 3 years ago
  8. BecomeMyFan=D Group Title
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    SO, DOES anyone know if this is correct, what is the correct answer?

    • 3 years ago
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    i found t = 2 is this right?

    • 3 years ago
  10. mstud Group Title
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    No, this is not correct, when you simplify the denominator, you get4/(4-t^2)=2 , because t*t=t^2. Then multiply both sides by (4-t^2), this leaves you with 4=2(4-t^2) --> 8-2t^2=4 --> -2t^2=-4 --> 2t^2=4 t^2=2 --> \[t=\pm\ \sqrt{2}\]

    • 3 years ago
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    mstud, nice explanation, you've been fanned

    • 3 years ago
  12. mstud Group Title
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    Thank you ...

    • 3 years ago
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