Question

a^12/b^12 +b^12/a^12 if ab/a2+b2= root5/5

Answer 1

Step-by-step explanation:

(a/b)¹²+(b/a)¹²=((a/b)^6+(b/a)^6)²-2

=((a/b)³+(b/a)³)²-2)²-2

=(((a/b)+(b/a))³-3((a/b)+(b/a)))²-2)²-2

also given a/b +b/a=1/5√5

put the values