Evaluate — task. Maths CBSE Mentoring, Class 9 Mentoring product.

If \((x + a)(x + b)(x + c) = x^3 + 18x^2 + 55x + 77\), then find the following:

(i) \(\frac{1}{a} + \frac{1}{b} +\frac{1}{c}\)

(ii) \(a^2 + b^2 + c^2\)

Answer:

(i) \(\frac{1}{a} + \frac{1}{b} +\frac{1}{c}\) \(=\)

\frac{i}{i}

(ii) \(a^2 + b^2 + c^2\) \(=\)

Did you find an error?

8. Evaluate