Question

(a) Use the relationship between arithmetic mean and geometric mean to find out the
maximum value of ab(72 - 3a - 4b) where a > 0, b > 0.
(b) in which of the following situations, do the lists of numbers involved form an A.P? Give
justification to your answer.
i. The amount of money in the account of a person at the end of every year when
Rs. 1000 is deposited at simple interest of 10% per annum.
ii. The number of bacteria in a certain food item after each second, when they
double in every second.
The fee charged every month by a school from classes I to XII, when the monthly
fee for class I is Rs. 250, and it increased by Rs. 50 for the next higher class.​

Answer 1

Answer:

the answer is 25.71dtt.Giridatag this is answera. anस्फ्व्र्द्फ ह्ज्व्से हटव