Find the roots of the quadratic equation,
p2 - 17p + 72 = 0

A

18 or 4

B

12 or 6

C

7 or 8

D

9 or 8

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Question: Find the roots of the quadratic equation, p2 - 1772 0

Solution:
Given,
p2 - 1772 0
⇒ p2 - 9p - 8p + 72 = 0
⇒ p(p - 9) - 8(p - 9) = 0
⇒ (p - 9)(p - 8) = 0
∴ p = 9 or 8

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Updated: 4 days ago

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