Question

If x+y=12 and xy=14, find the value of (x square + y square)

Answer 1

formula

is x2+y2-2xy. you will get the answer

Answer 2

x+ʏ=12 ᴀɴᴅ xʏ=14

ᴜꜱɪɴɢ ɪᴅᴇɴᴛɪᴛʏ:-

(x+ʏ)²=x²+ʏ²+2xʏ

(12)²=x²+ʏ²+(2×14)

144=x²+ʏ²+28

144-28=x²+ʏ²

116=x²+ʏ²

Mᵃʳᵏ ᵃˢ ᵇʳᵃⁱⁿˡⁱᵉˢᵗ ᵃⁿˢʷᵉʳ ᵗᵒ ᵍᵉᵗ ᵖᵒⁱⁿᵗˢ.

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