Please enter the following details
Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Question 125
If x = 3 + 2$$\sqrt{\ 2}$$ what will be the value of $$X^2 + \left(\frac{1}{X^2}\right)$$?
Solution
X=3+2$$\sqrt{\ 2}$$
$$\frac{1}{x}=3-2\sqrt{\ 2}$$
$$x^2+\frac{1}{x^2}=\left(x\ +\frac{1}{x}\right)^2-2$$ = $$6^2-2=34$$
Your Doubts
Ask a Doubt
(know more)
Drop Your File Here!
Ask Your Doubt
Drop Your File Here!
Create a FREE account and get:
- All Quant Formulas and shortcuts PDF
- 200+ previous papers with solutions PDF
- Top 5000+ MBA exam Solved Questions for Free
SNAP Quant Questions | SNAP Quantitative Ability
SNAP Progressions and Series QuestionsSNAP Linear Equations QuestionsSNAP Data Sufficiency QuestionsSNAP Venn Diagrams QuestionsSNAP Quadratic Equations Questions
