Prove that if a is a positive element of a commutative field totally ordered, then its multiplicative inverse a^{-1}a −1 is also positive.

except a rational number. : )

  n=   0.0000 - 0.3750 i  

  n=   0.0000 + 0.3750 i

step-by-step explanation:

one of these should be correct

you would need to know all the numbers that are on there

step-by-step explanation:

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5