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    • Thread Starter
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    no idea how to go about the question
    logbase2(6-y)=3-logbase2y

    also need help with - given that y=logbase2x, find expressions for 1) logbase2(x/2) and 2) logbase2(square root of x)

    any help is appreciated
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    (Original post by hannahchapman29)
    no idea how to go about the question
    logbase2(6-y)=3-logbase2y

    also need help with - given that y=logbase2x, find expressions for 1) logbase2(x/2) and 2) logbase2(square root of x)

    any help is appreciated
    Collect the log parts into a single log

    Then raise both sides to the power of 2
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    Posted from TSR Mobile
    You seem to be a maths teacher please help with this question.. Find the least number of terms of the series 1 +3+5+7... that are required to make a sum exceeding 4000.
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    (Original post by Kadak)
    Posted from TSR Mobile
    You seem to be a maths teacher please help with this question.. Find the least number of terms of the series 1 +3+5+7... that are required to make a sum exceeding 4000.
    This is an arithmetic series with first term a = 1 and common difference d = 2. You know a formula for the sum of n terms. Set this > 4000 and solve. In future please don't hijack threads - start your own.
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    Posted from TSR Mobile

    Ty and sorry for the hijack
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    Posted from TSR Mobile
    I apologise for hijacking your thread.
 
 
 
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