Question

give the missing numerator a and the correct percentage b 1. 1/10= a/100=b%​

Answer 1

Answer:

X^2+ 1/x^2=18

x^2+1/x^2 -2=18-2

(x-1/x)^2=1886

(x-1/x)=4

x^3-1/x^3

=(x-1/x)(x^2+1/x^2+2)

=4×(18+2)

=4×20

=80