Vishwanath
Friday, February 15, 2013
10. If x = 1 + √2 and y = 1 - √2, find the value of (x² + y²).
A. 2
B. 3
C. 6
D. 1
Answer:
Option : C
x² + y² = (1 + √2)² + (1 - √2)² = 2[(1)² + (√2)²] = 2 x 3 = 6
Title : Square Roots And Cube Roots Q10
Description : 10. If x = 1 + √2 and y = 1 - √2, find the value of (x² + y²). A. 2 B. 3 C. 6 D. 1 Answer: Option : C x² +...
Rating : 5
