it is known that a, b ,n are positive integers and that the first three terms in the binominal expansion of (a+b)^n are 729, 2916 and 4860. find the value of b​

hello there, could we talk?

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)