Question

Find the square of the ( 4x-y)​

Answer 1

Answer:

16x

2

+y

2

+8xy

Explanation:

As we know that

(a+b)

2

=a

2

+b

2

+2ab

So,

(4x+y)

2

=(4x)

2

+(y)

2

+2(4x)(y)

=4

2

x

2

+y

2

+2×4×xy

=16x

2

+y

2

+8xy