6a2-a-15 এর উৎপাদক নিচের কোনটি হবে?  

A    2a+3

B    2a-3

C    3a+5

D    2a-3

Solution

Correct Answer: Option A

 

6a2-a-15=0

6a2-a-15=0

6a2 +9a-10a-15=0

3a(2a+3)-5(2a+3)=0

(2a+3)(3a-5)=0

 

Practice More Questions on Our App!

Download our app for free and access thousands of MCQ questions with detailed solutions