Math, asked by yasiyasir394, 8 months ago

solve this problem x+y=12 , X²+Y²=74 find X and Y​

Answers

Answered by kiransinghki238
1

Step-by-step explanation:

नहीं पता यार माफ कर दे मैं तो 5a क्लास में हूं तुम तो जरूर टेंथ में होगी

Answered by asrividya2005
1

Answer:

Step-by-step explanation:

x=7,y=5

Step-by-step explanation:

sobs

(x+y)²=144

x²+y²+2xy=144

we know x²+y²=74

74+2xy=144

2xy=70

xy=35

then x²+y²-2xy =(x-y) ²

74-2(35)=4

(x-y) ²=4

x-y=2

then we can get x and y by using x+y and x-y

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