Question

(y-4)(y+4) find product using suitable identity ​

Answer 1

Answer:

Using (a+b) (a-b) =a2-b3

Y2-16

Answer 2

Answer:

The identity used in this will be:

(a+b) (a-b)= (a² + b²)

[here a=y & b=4]

So it gives [(y)²+ (4)²] = y²+16

Hope it helps. :)