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if (5 to the power of a)(5 to the power of b)=5 to the power of c/5 to the power of d, what is d in terms of a,b, and c?
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\(5^a.5^b=5^c/5^d\) any ideas how to start ?
ehh
hmm
ehh
a=2
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b=3
c=5
d=1
that was yes/no question. and no,no
why?
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\(\huge x^y.x^z=x^{y+z} \\ \huge \frac{x^y}{x^z}=x^{y-z}\) now try...
ahh
so
look
a=2
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b=3
c=6!
d=1
choice B is the only answer
6-2-3=1
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list your choices.
c/ab
c-a-b
a+b-c
c-ab
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and c/a+b
choice b only works because 6-2-3=1
the others do not arrive to d=1
so, its choice B.....
the correct answer!!!
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i am posting another problem now :)
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