Factorise xy2−xz2, Hence, find the value of :(i) 9×82−9×22(ii) 4 – InterviewSolution

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1.	Factorise xy2−xz2, Hence, find the value of :(i) 9×82−9×22(ii) 40×5.52−40×4.52
Answer» $Factorise x y^{2} - x z^{2}, Hence, find the value of : (i) 9 \times 8^{2} - 9 \times 2^{2} (i i) 40 \times {5.5}^{2} - 40 \times {4.5}^{2}$

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