Question

The number of terms in the product
of (3X-5Y)(3X+5Y) is:​

Answer 1

Answer:

using the identity=(x+y)(x-y)=x sq - y sq

where x=3x

y=5y

putting their respective values,

= (3x)whole sq. -(5y) whole sq.

=9xsq.-25ysq.

Answer 2

Answer:

There are two numbers of term only...