8th Class
Mathematics
Algebraic Expressions
Question Bank
Algebra
question_answer
DIRECTIONS: For the following questions write your answer would be only in single number. Do not write in word. If \[x+\frac{1}{x}=2\] then \[{{x}^{2}}+\frac{1}{{{x}^{2}}}\] is equal to ______ *-correct-answer-description-* \[x+\frac{1}{x}=2\] Squaring both sides, we get \[{{\left( x+\frac{1}{x} \right)}^{2}}=4\] \[\Rightarrow \] \[{{x}^{2}}+\frac{1}{{{x}^{2}}}+2=4\] \[\Rightarrow \] \[{{x}^{2}}+\frac{1}{{{x}^{2}}}=2\] *-question-type-* 6 *-question-instructions-* 0