Question

If x²+y²=10 & x² - y² = 6, what will be value of xy?​

Answer 1

Answer:

4

Step-by-step explanation:

x^2+ y^2 = 10 ( 1 )

x^2 - y^2 = 6 ( 2 )

solve ( 1 ) and ( 2 ),

2x^2 = 16

x^2 = 8

x = 2 √2

put x^2 in ( 1 ) ,

y = √2

xy = 2√2 × √2 = 4

Answer 2

Answer:

4

ANSWER explained in attachment.......

hope this will help you........