Question

Without solving the following quadratic equation, find the value of'p' for which roots are equal.
px² - 4x + 3 = 0 ​

Answer 1

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Answer 2

$\red{<strong><em><u>sol</u></em></strong>.}$

Given quadratic equation is, px² - 4x + 3 = 0

For equal roots,

Discriminant

D = 0

= b ² - 4ac = 0

= (-4)² - 4× p × 3 = 0

= 16 - 12p = 0

= 16 = 12p = 16/12 = p = 4/3

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