Question

Please help please please questions no 11 ,12

Answer 1

Answer:

Step-by-step explanation:

11). (X + 1/X)= 4

Take square of both the sides

(X+1/X)²=16

X² + 1/x² + 2 = 16

X² + 1/x² = 14

For x⁴+1/x⁴

Take the square again of the acquired answer

(X²+1/x²)²=196

X⁴+1/x⁴+2=196

X⁴+1/x⁴=194

12). (X-1/X)=5

Take square of both the sides

(X-1/X)²=25

X²+1/x²-2=25

X²+1/x²=27

For x⁴+1/x⁴

Take the square of answer obtained

(X²+1/x²)²=729

X⁴+1/x⁴+2=729

X⁴+1/x⁴=727

HOPE IT HELPS

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Answer 2

This is the answer for the question