in triangle MNP is a bisector of angle N . if MN = 5, PN=7 MQ=2.5 then find QP.
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Answer:
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Answered by
0
Answer:
hlo mate here's your answer
p(x)=
x 3
10x
2
− 53x− 42
x 3
10x
2
−
53x−
42
x=
−1
p(−1)=
(−1) 3
−
10
(−1) 2
−
53(−1)−
42
=
−1−
10+
53−
42
=
0
(x+1)is factor of polynomial
p(x)=
x 3
x 2
11x
2
−
42x−
11x−
42
⇒
x 2
11x(x+1)−
42(x+1)
⇒
(x+1) (x
2
−11x−42)
x 2
11x−
42=
x 2
14x+
3x−
42
=
x(x−14)+
3(x−14)
=
(x+3)(x−14)
∴
p(x)=
(x+1)(x+3)(x−14)
i hope its help you mark as brainlist plz
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