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# C2 Soloman Paper D question

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1. Hey.

Is this a suitible method for 7(i)?
https://b940eb267c31463d4d23ccfd3105...20C2%20OCR.pdf
Thanks.
2. No, that is wrong, for your third step it should be and not due to the laws of exponentials . Then go on to simplify to required result.
3. log2^(y-1)=1 + log2^x
log2^(y-1) - log2^x = 1

log2 ^ y-1/x = 1

y-1/x = 2^1

y-1/x = 2

Simplify and you get the answer

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