Question

If x= 3+28 Then find the value of x^2+1uponx^2
​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

x=3+2

2

x

1

=

3+2

2

1

×

3−2

2

3−2

2

=3−2

2

(

x

−

2

1

)

2

=x+

x

1

−2

=3+2

2

+3−2

2

−2=4

So,

x

−

x

1

=

4

=±12 Ans

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