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Hcf and Lcm

Mathematics · Class 9

HCF of 6 x^2 y and 9 x y^2 is 3 x y. LCM is 18 x^2 y^2. For quadratics, factor, then pick common brackets for HCF and all brackets for LCM.

common lowest
all highest
factorise first
keep the ideas separate
Hcf And Lcm: HCF of 6 x^2 y and 9 x y^2 is 3 x y. LCM is 18 x^2 y^2. For quadratics, factor, then pick common bra
WHAT — HCF AND LCM: HCF of 6 x^2 y and 9 x y^2 is 3 x y. LCM is 18 x^2 y^2. For quadratics, factor, then pick common bra
HOW — Use the idea: Identify what is given, select this topic's rule or evidence, apply it one step at a time, and check
CORE UNDERSTANDING: HCF of 6 x^2 y and 9 x y^2 is 3 x y. LCM is 18 x^2 y^2. For quadratics, factor, then pick common bra

Right triangle — Hcf and Lcm — original sketch for this lesson (not copied from a textbook).