Factoriza 9a^+12ab+4b^
Answers
Answered by
8
Step-by-step explanation:
9a²+12ab+4b²=(3a+2b)² ====>> formula (a+b)²==>a²+b²+2ab
Answered by
7
"
(3a + 2b) (3a + 2b)
Step-by-step explanation:
9a² + 12ab + 4b²
=> 3²a² + 2(3a)(2b) + 2²b²
=> (3a)² + 2(3a)(2b) + (2b)²
=> (3a + 2b)²
[using the formula a² + 2ab + b² = (a + b)², here a = 3a & b = 2b]
=> (3a + 2b)(3a + 2b)
Hence factorisation of 9a² + 12ab + 4a = (3a + 2b) (3a + 2b)
hope it helps.
Similar questions