Question

x=17+12√2 then find x^2-1÷x^2​

Answer 1

Answer:

Now,

17−12

2

=17−2.3.2

2

=3

2

+(2

2

)

2

−2.3.2

2

=(3−2

2

)

2

.

Now square root of 17−12

2

is ±(3−2

2

).

Answer 2

Now,

17−12

2

=17−2.3.2

2

=3

2

+(2

2

)

2

−2.3.2

2

=(3−2

2

)

2

.

Now square root of 17−12

2

is ±(3−2

2

).