Two mark exercise problems III — task. Maths TNSB Mentoring, Class 9.

If $(x + a)(x + b)(x + c) = x^3 + 14x^2 + 59x + 70$, find the value of

S.No	Expression	Solution
(i)	$a + b + c$
(ii)	$\frac{1}{a} + \frac{1}{b} + \frac{1}{c}$	$\frac{i}{i}$
(iii)	$a^2 + b^2 + c^2$
(iv)	$\frac{a}{bc} + \frac{b}{ac} + \frac{c}{ab}$	$\frac{i}{i}$ [Write without simplifying]

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7. Two mark exercise problems III