Question

if x² + y² =25 and xy = 12, then find x⁴ + y⁴


please do by algebraic identity and provide with step by step solution
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Answer 1

Answer:

x

2

+y

2

=25,xy=12

Substitute y=

x

12

, we get

⇒x

2

+[

x

12

]

2

=25⇒x

4

+144−25x

2

=0

⇒(x

2

−16)(x

2

−9)⇒x

2

=16 and x

2

=9

⇒x=±4 and x=±3

∴ Total number of values of x is 4.

hope with this u can find ur answer

Answer 2

Answer:

nhi pata ra yar

Step-by-step explanation:

nhi pata ra yar