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Grade: 12
        

If x2 + 3x + 5 = 0 and ax2 + bx + c = 0 have a
common root and a, b, c ∈ N, then the minimum
value of a + b + c is…….

8 years ago

Answers : (3)

SAGAR SINGH - IIT DELHI
879 Points
							

Dear student,

The minimum value of a+b+c is zero....

8 years ago
aniket anil mandavkar
17 Points
							

As roots of x2 + 3x + 5 are non-real so both roots
are common
a + b + c = 9λ

8 years ago
bhavya chitikala
31 Points
							

x2+3x+5=ax2+bx+c

x2(1-a)+x(3-b)+5-c=0

by  putting  x=1,,   1-a+3-b+5-c=0

so  a+b+c=9

8 years ago
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