What are the roots of (x^2-7x+4=0) by quadratic formula?

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Answer and explanation

Correct answer: (x=\frac{7\pm\sqrt{33}}{2})

Here (D=(-7)^2-4(1)(4)=33), so (x=\frac{7\pm\sqrt{33}}{2}). In exams, finding (D) correctly is important.

What is the correct answer to this question?

(x=\frac{7\pm\sqrt{33}}{2})

Why is this the correct answer?

Here (D=(-7)^2-4(1)(4)=33), so (x=\frac{7\pm\sqrt{33}}{2}). In exams, finding (D) correctly is important.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Methods of Solving Quadratic Equations.

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