4. The quadratic polynomial , whosde zeroes are 2 and 3, is .....
A) x2– 5x – 6 B) x2 + 5x – 6 C) x2 – 5x + 6 D) x2 + 5x + 6
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Answer:
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Answered by
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Answer:
correct answer is (C) x² - 5x + 6
Step-by-step explanation:
firstly putting X=2 { as 2 and 3 are the zeroes}
so, p(X) = x²-5x+6=0
p(2)= (2)²-5*2 +6=0
4-10+6=0
0 = 0 { L.H.S=R.H.S}
NOW putting X=3
so, p(3)= (3)³-5*3+6=0
9-15+6=0
0=0
L.H.S=R.H.S
hence X=2 and X=3 satisfies the equation: x²-5x+6
hence (C) is the correct answer
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