Question

if x+y=6 and x-y=4 then fine the value of i) x²+y² ii) xy​

Answer 1

Answer: 26,5

Step-by-step explanation:

Given :- x + y = 6         (i)

x - y = 4                       (ii)

By adding both (i) and (ii) , we get 2x = 10

or x = 5

Since x + y = 6 , we have 5 + y = 6 or y = 1

Hence x = 6 , y = 1

So 1. x² + y²

=> 5² + 1²

=> 25 + 1 = 26

2. xy

=> 5 * 1

=> 5

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