please solve this question
Attachments:
Answers
Answered by
2
Answer:
r = -(2a+b)/3 OR r = -(a+2b)/3
Step-by-step explanation:
9r² + 9(a+b)r + (2a² + 5ab + 2b²) = 0
=> 9r² + 9(a+b)r + (2a+b)(a+2b) = 0
=> 9r² + 3( (2a+b) + (a+2b) ) + (2a+b)(a+2b) = 0
=> ( 3r + 2a + b ) ( 3r + a + 2b ) = 0
=> 3r + 2a + b = 0 OR 3r + a + 2b = 0
=> r = -(2a+b)/3 OR r = -(a+2b)/3
Anonymous:
Hello. Hope this helps you. Plz mark it brainliest. Have a good day!!
Answered by
0
Answer:
Step-by-step explanation:
Attachments:
Similar questions