Question

7. The perimeter of a triangle is 7p2 - 5p + 11 and two of its sides are p2 + 2p - 1 and
3p2 - 6p + 3. Find the third side of the triangle.
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Answer 1

Answer:

Perimeter of △=7p  2  −5p+11

⇒p  2  +2p−1+3p  2  −6p+3+y=7p  2  −5p+11

⇒y=7p  2  −5p+11−4p  2  +4p−2=3p  2  −p+9

Third side =3p  2  −p+9

Step-by-step explanation:

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