Question

Write the following polynomial in descending powers of the variable 7r^5-4r^7+r^9

Answer 1

r^9 is max
r^7 is at 2nd place
r^5 is minimum

Answer 2

@heyam4321

Answer 3

and this is how i would write the answer?

Answer 4

ans is r^9-4r^7+7r^5