1. Question:উৎপাদকে বিশ্লেষণ কর: `a^2 + ab + ac + bc` 

    Answer
    `a^2 + ab + ac + bc = a(a + b) + c(a + b)`
    
                                     `= (a + b) (a + c)` (Ans)






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  2. Question:উৎপাদকে বিশ্লেষণ কর: `ab + a - b - 1` 

    Answer
    `ab + a - b - 1 = a(b + 1) - 1(b + 1)`
    
                          `= (b + 1) (a - 1)` (Ans)






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  3. Question:উৎপাদকে বিশ্লেষণ কর: `(x - y) (x + y) + (x - y) (y + z) + (x - y) (z + x)` 

    Answer
    `(x - y) (x + y) + (x - y) (y + z) + (x - y) (z + x)`
    
     `= (x - y) {(x + y) + (y + z) + (z + x)}`
    
     `= (x - y) (x + y + y + z + z + x)`
    
     `= (x - y) {2(x + y + z)}`
    
     `= 2(x - y) (x + y + z)`   (Ans)






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  4. Question:উৎপাদকে বিশ্লেষণ কর: `ab (x - y) - bc(x - y)` 

    Answer
    `ab(x - y) - bc(x - y) = (x - y) (ab - bc)`
    
                     `= (x - y) {b(a - c)}`
    
                    ` = b(x - y) (a - c)`  (Ans)






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  5. Question:উৎপাদকে বিশ্লেষণ কর: `9x^2 + 24x + 6` 

    Answer
    `9x^2 + 24x + 16 = (3x)^2 + 2.3x.4 + (4)^2`
    
                                ` = (3x + 4)^2`   (Ans)






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