Question

If
x² + 1 =2x
Find the value of x⁹+x⁷+x–⁷+x–⁹
​

Answer 1

Answer:(8−3π)3+1)

Step-by-step explanation:

f(sin−1(sin8))=f(sin−1(sin(3π−8)))

As −2π​<3π−8<2π​

f(3π−8)=α⇒(3π−8)11+(3π−8)9−(3π−8)7+(3π−8)3+1=α...(1)

Now,

f(tan−1(tan8))=f(tan−1(tan8−3π))

=f(8−3π)=(8−3π)11+(8−3π)9−(8−3π)7+(8−3π)3+1=2−((8−3π)11+(8−3π)9−(8−3π)7+(8−3π)3+1)