JEE Main
- Exam
- JEE Main
- Subject
- Mathematics
- Chapter
- Basics of Mathematics
JEE Main · Mathematics · Basics of Mathematics
Number of integral solutions of inequality ((1)/(10)) ^ _ (x - 3)...
Number of integral solutions of inequality are&
Options
- A0
- B1
- C2
- D3
Correct answer
A. 0
Step-by-step solution
~ ~ ~ & (base is less than 1)
Case - I : \left(x - 3\right) > 10 < x^{2} - 4x + 3 \le 1⇒ x > 4( x - 1 ) ( x - 3 ) > 0x^{2} - 4x + 2 \le 0⇒ x > 4x^{2} - 4x + 2 \le 0 ⇒ x > 42 - \sqrt{2} \le x \le 2 + \sqrt{2} ∴∴0 < \left(x - 3\right) < 1x^{2} - 4x + 3 \ge 1⇒ 3 < x < 4x \le 2 - \sqrt{2}x \ge 2 + \sqrt{2}⇒ 2 + \sqrt{2} \le x < 4 ⇒
Case - I : \left(x - 3\right) > 10 < x^{2} - 4x + 3 \le 1⇒ x > 4( x - 1 ) ( x - 3 ) > 0x^{2} - 4x + 2 \le 0⇒ x > 4x^{2} - 4x + 2 \le 0 ⇒ x > 42 - \sqrt{2} \le x \le 2 + \sqrt{2} ∴∴0 < \left(x - 3\right) < 1x^{2} - 4x + 3 \ge 1⇒ 3 < x < 4x \le 2 - \sqrt{2}x \ge 2 + \sqrt{2}⇒ 2 + \sqrt{2} \le x < 4 ⇒