Mathematics 1 Deneme Sınavı Sorusu #1192968

Solve the exponential equation; 52x+3=1/25


-5/2

-2

0

2

5/2


Yanıt Açıklaması:

Note that one can rewrite;

52x+3=1/25=52x+3=5-2

Since the exponential function 5x is one-to one, we have

2x+3=-2 then x=-5/2

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