Question

7) In an reciprocal equation of even degree with same sign has one of its roots equal to​

Answer 1

Step-by-step explanation:

x= -1 is root of the reciprocal equation Frist type and of odd degree.

x=l is a root of reciprocal equation of second type and odd degree. x=+and - 1 are two root of reciprocal equation of second type and even degree.