AP EAMCET · Maths · Quadratic Equation
The number of positive real roots of the equation is
- A
- B
- C
- D Infinitely many
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
Given 3x+1+3-x+1=10 i.e. 33x+33x=10 ⇒332x-103x+3=0 ⇒3x=10±100-366=3, 13 i.e. x=1, -1 Hence, only one positive real root.
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