Question

x to the power 4 + 1 by x to the power 4 is equal to 7 find x minus one by X​

Answer 1

X^4+1

________ =7

X^4

( a^b/a^c = a^b- c )

x^4+1-4 =7

x^1 =7

x = 7

then X. -1/X

7 -1/7

= 6