MCQ PracticeIf $${x^2} + frac{1}{{{x^2}}} = 38,$$ then what is the value of $$left( {x - frac{1}{x}} right)?$$Subject: MathematicsTopic: AlgebraA9B5C6D4Correct Answer: CPractice QuizBack to MCQsRelated MCQsHe said to her, “Don’t read so fast.”He said to his servant, “Why are you so lazy today?”Pinki said to Gaurav, “Will you help me in my work just now?”