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Both roots of x^2 + Nx + 144 are equal to each other. Find all the possible values of N.
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Both roots of x^2 + Nx + 144 are equal to each other. Find all the possible values of N.
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Mathematics
3 years
2021-09-05T16:20:29+00:00
2021-09-05T16:20:29+00:00 1 Answers
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Answer:
N=+24,-24
Step-by-step explanation:
Well this is a quadratic equation and we can make further deductions using it’s discriminant
b²-4ac=0
N²-4(1×144)=0
N²-576=0
N²=576
N=√576
N=+24,-24