Question

If x2 + y2 = 29 and xy = 2, find the value of (i) x + y (ii) x – y

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

Answer:

x²+y²=29 , xy=2

(x+y)²=x²+y²+2xy

=> 29+2(2)

=> 29+4

=>33

(x+y)²=33

x+y=33^1/2

(x-y)²=x²+y²-2xy

=> 29-4

=> 25

=> (x-y)²=25

x-y=5