factorise : 9y²+12yz+4z²
Answers
Answered by
1
Answer:
3y+2z
using (a+b)^2 identity
Answered by
1
Answer:
(3y)²+(3y×4z)+(2z)²using the identity a²+2ab+b²= (a+b)²
(3y+2z)²
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