Factorise the following expressions. 49y^2 +84yz+36z^2
Factorise the following expressions.
49y^2 +84yz+36z^2
Pawan Prajapati , 5 Years ago
Grade 12
8 grade maths> Factorise the following expressions. 49y^...
1 AnswersHarshit Singh
Dear Student
49y^2 +84yz+36z^2
=(7y)^2+2×7y×6z+(6z)^2
= (7y+6z)^2
Using identity: (x+y)^2= x^2+2xy+y^2
Thanks
49y^2 +84yz+36z^2
=(7y)^2+2×7y×6z+(6z)^2
= (7y+6z)^2
Using identity: (x+y)^2= x^2+2xy+y^2
Thanks
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