What is the coefficient of the second term of the trinomial? (4a+5)^2 = 16a^2 + ba + 25

The coefficient of the secong term is 40.

Step-by-step explanation:

Given polynomial:

Here 4a+5 is a binomial and square of a binomial is given by indentity:

Then,

On comparing with , we get B=40

We can see the coefficient of the second term is 40.

62.5 paisa

step-by-step explanation:

4000*70 = 280000

280000-(2000*90) = 100000

4000-2400 = 1600

100000/1600 = 62.5

( give brainliest)