Math, asked by tanisha9284, 1 year ago

Please help me in solving the sum​

Attachments:

Answers

Answered by shaura
1
if x+1/x=3
then squaring to the both sides
(x+1/x)²=9
x²+1/x²+2=9
x²+1/x²=9-2
x²+1/x²=7...................ans

then,again x²+1/x²=7
squaring both sides:--

(x²+1/x²)²=49
x⁴+1/x⁴+2=49
x⁴+1/x⁴= 49-2
x⁴+1/x⁴=47..............................ans
Similar questions