If we are given x such that 25^x-9^y=18 and 5^x-3^y=3, compute 5^x+3^y.
1 answer:
25 = 5*5 and 9 = 3*3, which we can exploit to write

so that this expression is actually a difference of squares. We can factorize this to get

and given that
, we divide both sides by this to get

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Answer:

Step-by-step explanation:
First, note that

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Therefore the chain rule in several variables would look like this.

Step-by-step explanation:
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Divide by the number of items which is 8
answer =4
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Answer: Y=|20|
Step-by-step explanation:
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