Question

11. If x + y = 13 and xy = 6-, find x - y ​

Answer 1

Answer:

Solution:

x + y = 13

xy =6-

x - y = ?

(x-y) ^ 2 = ( x + y ) ^2 + 4xy

(x-y)^2 = 169 -24

(x-y)^2=145

x-y = √145 = √29 × 5

Step-by-step explanation:

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