Question

if(x-1/x)=4, find the value of (x²+1/x²)​

Answer 1

Step-by-step explanation:

x-1/x=4

squaring on both sides

x²+1/x²-2= 16

x²+1/x²=16+2

x²+1/x²=18

Answer 2

Answer:

Step-by-step explanation:

HEYA HERE IS YOUR ANSWER..

➡️x - 1/x = 4

➡️BY this formule , (a -b )² = a² + b² - 2ab

➡️(x - 1/x )² = ( x²+ 1/x ² - 2x×1/x

➡️4² = x² + 1/x² - 2

➡️16+ 2 = x² + 1/x²

➡️18 = x² + 1/x²...

HOPE IT HELPS..

BRAINLIEST PLEASE..❤