Giải BPT:
$(x+2)(\sqrt{2x+3}-2\sqrt{x+1})+\sqrt{2x^2+5x+3} \geq 1$
Giải BPT:
$(x+2)(\sqrt{2x+3}-2\sqrt{x+1})+\sqrt{2x^2+5x+3} \geq 1$
I've got a dream,the day,I'll catch it,can do...don't never give up...if I dream,I can do it.
All our DREAMS can come true if we have the courage to pursue them.
Đặt $f(x)=(x+2)(\sqrt{2x+3}-2\sqrt{x+1})+\sqrt{2x^2+5x+3}-1$,ĐKXĐ:$x\geq -1 (1)$Giải BPT:
$(x+2)(\sqrt{2x+3}-2\sqrt{x+1})+\sqrt{2x^2+5x+3} \geq 1$
0 thành viên, 0 khách, 0 thành viên ẩn danh