Question

by using suitable identity simply (xy-yz)²​

Answer 1

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${(xy - yz)}^{2}$

${(x y})^{2} + {(yz)}^{2} - 2 \times xy \times yz$

${x}^{2} {y}^{2} + {y}^{2} {z}^{2} - 2xzy^2$

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Answer 2

Answer:

using (a-b) ²

(xy-yz)²=(xy)²-2(xy)(yz) +(yz)²

           = x²y²-2xy²z+ y²z²