if one zero of quadratic polynomial 2 x square - 3 x + p is 3 find its other zero also find the value of p
vishakha1237:
plzz give solution
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Hey !!
P ( x ) = 2X² - 3X + P
Substitute X = 3 in P ( X ).
P (3) = 2 × (3)² - 3 × 3 + P
=> 2 × 9 - 9 + P = 0
=> 18 - 9 + P = 0
=> P + 9 = 0
=> P = -9
P ( x ) = 2X² - 3X + P
Substitute X = 3 in P ( X ).
P (3) = 2 × (3)² - 3 × 3 + P
=> 2 × 9 - 9 + P = 0
=> 18 - 9 + P = 0
=> P + 9 = 0
=> P = -9
thanks di
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