Question

Find the HCF of 4x square y and 16 y square

Answer 1

HCF of 4x²y and 16y

4x²y= 2×2×x×x×y

16y=2×2×2×2×y

So HCF(4x²y,16y)= 4y

Answer 2

${4x}^{2} y + 16 {y}^{2} \\ 2x(2xy) + 4y(4y) \\ 2 {x}^{2} (2y) + 2(2y)2(2y) \\ 2 {x}^{2} (2y) + 4(2y)(2y) \\ hcf \: is \: 4y$