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    Could someone please show me how to do the following two questions;

    Given that logax=3 and logay-3loga2=4, express x in terms of a
    ------------------------------------------------------------------------------------------------------
    Find the value of x for which 8^x/√8=1/64

    Thank you
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    (Original post by henb99)
    Could someone please show me how to do the following two questions;

    Given that logax=3 and logay-3loga2=4, express x in terms of a
    ------------------------------------------------------------------------------------------------------
    Find the value of x for which 8^x/√8=1/64

    Thank you
    For the first part of the question, x in terms of a I think is just a^3 = x, as this comes from rearranging log of base a is equal to x.

    For the second part of the question, see attached working. I plugged this into a calculator and it all checks out

    Name:  IMG_1344[1].jpg
Views: 151
Size:  444.1 KB
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    (Original post by Dapperblook22)
    For the first part of the question, x in terms of a I think is just a^3 = x, as this comes from rearranging log of base a is equal to x.

    For the second part of the question, see attached working. I plugged this into a calculator and it all checks out

    Name:  IMG_1344[1].jpg
Views: 151
Size:  444.1 KB
    Thank you very much, thats perfect really appreciate it!
 
 
 

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