Question

решите неравенство 32^2x+1 >или= 1/4

Answer 1

32^(2x+1 )≥1/4

(2^5)^(2x+1)≥2^(-2)

2^(10x+5)≥2^(-2)

(10x+5)≥(-2)

10x≥(-7)

x≥(-7/10)