Question

Is 16x2-40xy+25y2 is a perfect square.​

Answer 1

Answer:

Using the identity:

[ ( a - b ) ² = a² - 2ab + b²

16x²- 40xy + 25y²

(4x)² - 2(4x)(5y) + (5y)²

(4x - 5y)²

Hence 16x2-40xy+25y2 is a perfect square

Answer 2

Answer:

Yes

Step-by-step explanation:

Factorizing 16x2-40xy+25y,

=(4x)^2-2(4x*5y)+(5y)^2

=(4x-5y)^2                                  [Since (a-b)^2=a2-2ab+b2]

Hope it helped you