Question

chapter 2
ex 2.4 question 2


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Answer 1

Let the required cubic polynomial be ax3 + bx2 + cx + d and its zeroes be a, b and g.

If a = 1, then -b/a = 2 ⇒ b = - 2

c/a = - 7 ⇒ c = - 7

-d/a = - 14 ⇒ d = 14

∴ The required cubic polynomial

= 1x3 + (-2)x2 + (-7) x + 14

= x3 - 2x2 - 7x + 14

Answer 2

Hey your answer is in the given attachment

HOPE IT IS HELPFUL

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