Answer:
81x^4
Step-by-step explanation:
The given binomial is (3x + y)^4
First term = [tex]\frac{4!}{0!(4 -0)!} 3x^{4} .y^{0}[/tex]
4! = 24
0! = 1
(3x)^4 = 81x^4
y^0 =1
Applying these values, we get
= 24/24. 81x^4. 1
= 1.1.81x^4
The first term = 81x^4.
Hope this will helpful.
Thank you.
