The perimeter of a triangle is 8+13a+7a². Two of its sides are 2a²+3a+2 and 3a²-4a-1. Find the third side of the triangle.
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The perimeter of a triangle is 8+13a+7a². Two of its sides are 2a²+3a+2 and 3a²-4a-1. Find the third side of the triangle.
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Thank you.
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Answer:
Step-by-step explanation:
Two sides of triangle are 2a
2
+3a+2 and 3a
2
−4a−1
Let the third side be s
Perimeter=8+13a+7a
2
=2a
2
+3a+2+3a
2
−4a−1+s
⟹s=2a
2
+15a+7
So, the third side of triangle is =2a
2
+15a+7