4th term / second term = a1r^3 / a1r = r^2
so r^2 = 45/4 / 20 = 45/80 = 9/16
so r = sqrt 9/16 = 3/4 answer
Answer:
81
Step-by-step explanation:
(9x - 4)(9x + 4) = ax² - b
81x² - 36x + 36x - 16
= 81x² - 16
=> a = 81
Step-by-step explanation:
tag hi usual and at the end I got to know that you were a great friend of yours that you are of course in your own business as you can play more money than
I typed out everything and it won’t let me answer, love that for me !
Answer:
36 times 2 is 72
Step-by-step explanation:
That is what you're asking right? I'm just going by the last one.
