If   `a + 1/a -1 = 0` , then find the value of `a^4 + a`

1/8 -(2x)/4 + 1 = 0 , find the value of x

If a - 1/a = 4 , find the value of a^2 + 1/a^2

If a^2-6a-1=0 then, find the value of a-1/a

Find the value of 1/4 div 1/2 is :

If a^4+1/a^4=50, a>0 , then find the value of a^3+1/a^3 . यदि a^4+1/a^4=50, a>0 है, तो a^3+1/a^3 का मान ज्ञात करें ।

Find the value of ( -1/4 )^4

Find the value of ( 2^-1 - 4^-1 )^2