Question

Sa se rezolve ecuatiile exponentiale :3 la puterea 2x-1=81
5 la puterea x patrat +1=3125

Answer 1

Te rog
Da si mie tema e1 si e2

Answer 2

$3^{2x-1}=81; 3^{2x-1}=3^4;2x-1=4;2x=5;x=2,5 \\ 5^{ x^{2} +1}=3125; 5^{ x^{2} +1}= 5^{5} ; x^{2} +1=5; x^{2} =4;x=2sau x=-2$