11. which of the following is the second term in the expansion of (x + 3)^5?\na. x^4\nb. 5x^4\nc. 30x^4\nd…

11. which of the following is the second term in the expansion of (x + 3)^5?\na. x^4\nb. 5x^4\nc. 30x^4\nd. 15x^4

Answer