Question

if x2+y2=26 and xy=3 find x4+y4​

Answer 1

Answer:

658

Step-by-step explanation:

Refer to Image

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Answer 2

Answer:

X⁴+y⁴=658

Step-by-step explanation:

Given that the equation is,

x²+y²=26

Squaring on both sides......

(x²+y²)²=676

x⁴+y⁴+2(9)=676

x⁴+y⁴+18=676

x⁴+y⁴=658

Hope it helps you frnd........