Question

. Find the number of terms in the expansions of following expressions:(x + 3y)2​

Answer 1

Answer:

(x+3y)square

identity---(a+b)square=a square +b square +2ab

(x+3y) square=x square +(3y) square+2(x)(3y)

that is =x square +9y square+6xy

so it has 3 terms

hope it will help u