Question

If x+1 = 11 find x ² + 1 /x²​

Answer 1

Answer:

x+1 = 11

=> x = 11-1

= 10.

x²+1/x²

= 10²+1/10²

= 100+1/100

= 101/100

= 1.01 . ans.

Answer 2

Step-by-step explanation:

let p(x)=x²+1/x²

x+1=11

x=11-1

x=10

substitute the value 10 instead of x

p(10)=10²+1/10²

=100+1/100

the 100,100 gets cancelled

and the value of x²+1/x²=1

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