What is the following difference? 2 a b (RootIndex 3 StartRoot 192 a b squared EndRoot) minus 5 (RootIndex 3 StartRoot 81 a Supe
2 answers:
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It is quadratic equation.
First we have find delta given by formula: delta=
where our
a=16
b=-24
c=7
so, delta=
Because delta is positive, there is real results.
Now we can use next formula x=
, to find roots (results, 2 results because its quadratic equation and delta is greater than 0)
x1=
x2=
First we have find delta given by formula: delta=
where our
a=16
b=-24
c=7
so, delta=
Because delta is positive, there is real results.
Now we can use next formula x=
, to find roots (results, 2 results because its quadratic equation and delta is greater than 0)
x1=
x2=
Isolating 2abCos(c) on one side of the equation and using the given values of a, b and c we can find the answer to this question as shown below:
