If $$x = \frac{1}{{\left( {\sqrt 2 + 1} \right)}}{\text{,}}$$ the value of x2 + 2x - 1 is? Options: A . &nbsp$${\text{2}}\sqrt 2 $$ B . &nbsp4 C . &nbsp0 D . &nbsp2

If $$x = \frac{1}{{\left( {\sqrt 2 + 1} \right)}}{\text{,}}$$ the value of

Question

If $$x = \frac{1}{{\left( {\sqrt 2 + 1} \right)}}{\text{,}}$$ the value of x2 + 2x - 1 is?

Options:

A . $${\text{2}}\sqrt 2 $$

B . 4

C . 0

D . 2

Answer: Option C

Submit Your Solution Below and Earn Points !

Next Question

Question 1. If **Hidden Equation** = ?

Question 2. If a(x + y) = b(x - y) = 2ab, then the value of 2(x2 + y2) is?....

Question 3. If **Hidden Equation** is?....

Question 4. If $$\sqrt x $$ - $$\sqrt y $$ = 1, $$\sqrt x $$ + $$\sqrt y $$ = 17, then $$\sqrt {xy} $$ = ?....

Question 5. If **Hidden Equation** is?

Question 6. If **Hidden Equation** is?

Question 7. If **Hidden Equation** is?....

Question 8. If **Hidden Equation** = ?

Question 9. If (x - 5)2 + (y - 2)2 + (z - 9)2 = 0, then the value of (x + y - z) is?....

Question 10. If x = 999, y = 1000, z = 1001 then the value of **Hidden Equation** is?....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0