Please enter the following details
Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Question 125
If x = 3 + 2$$\sqrt{\ 2}$$Â what will be the value of $$X^2 + \left(\frac{1}{X^2}\right)$$?
Solution
X=3+2$$\sqrt{\ 2}$$
$$\frac{1}{x}=3-2\sqrt{\ 2}$$
$$x^2+\frac{1}{x^2}=\left(x\ +\frac{1}{x}\right)^2-2$$ =Â $$6^2-2=34$$
Create a FREE account and get:
- All Quant Formulas and shortcuts PDF
- 170+ previous papers with solutions PDF
- Top 5000+ MBA exam Solved Questions for Free
SNAP Quant Questions | SNAP Quantitative Ability
SNAP Quadratic Equations QuestionsSNAP Time, Distance and Work QuestionsSNAP Geometry QuestionsSNAP Profit, Loss and Interest QuestionsSNAP Venn Diagrams Questions
