If x=2+ ✓ 3 then find the value of x+1/x and x^2+1/x^2 ( Simplifying surd expression) Class 9 ,10

This type of question deals with algebraic manipulation involving irrational numbers or surds. Given a value like , we are often asked to find expressions like . The trick lies in rationalizing and then simplifying the sum. These questions help students practice operations with surds and are commonly seen in algebra and class 9–11 level exams. A very simple trick is involved here to find out the answer. Question is also aften asked in the competitive exam.