Question

решите неравенство (√6-2,5)(7-6x)(2√7-5)<0

Answer 1

(√6-2.5)(7-6x)(2√7-5)<0.

(2√6√7-5√6-2.5*2√7+2.5*5)(7-6x)<0

(2√42-5√6-5√7+7.5)(7-6x)<0 | разделим на (2√42-5√6-5√7+7.5)<0

7-6x>0

6x<7

x<7/6