Question

b + b is equal to 10 and a minus b is equal to 2 then find the value of x square + Y square and xy ​

Answer 1

Answer:

Ⓗ︎Ⓞ︎Ⓟ︎Ⓔ︎ Ⓘ︎Ⓣ︎ Ⓗ︎Ⓔ︎Ⓛ︎Ⓟ︎ Ⓨ︎Ⓞ︎Ⓤ︎ Ⓐ︎Ⓜ︎Ⓘ︎Ⓖ︎Ⓞ︎

X² + Y² = 13

XY = 6

<b>( X + Y )² = X² + Y² + 2XY</b>

( X + Y )² = 13 + 2 ( 6 )

( X + Y )² = 13 + 12

( X + Y )² = 25

X + Y = √25