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Question

If the sum of zeroes of p(x)=(a+1)x2+(2a+3)x+(3a+4) is -1.Find its product.

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Solution

P(x)=(a+1)x2+(2a+3)x+(3a+4)
Sum of root (s) = -1
((coff.ofx)coff.ofx2)
(2a+3)a+1=1
(2a+3)=(a+1)
2=a
Product of roots =3a+4a+1=3(2)+42+1=2
(Constantcoffofn2)

1224566_1103578_ans_e59cf8891bb444ed843eac122886d2a1.jpg

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