Question

x2+7x-1=0 find the value of determinant.​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

I guess you meant discriminant

53

Step-by-step explanation:

the equation $x^{2} +7x-1=0$ is in the form $ax^{2} + bx + c = 0$ where a= 1 b= 7 and c = -1. So, discriminant =  

$b^{2} - 4ac\\= 7^{2} - 4(1)(-1)\\= 49 + 4\\= 53$