The sides of a triangle are given by 3x2 - y2; 4x2
7xy + 4y2 and 3x2 + 7xy + 8y? Find its per
3 The sides of a rectangle are given by x? + 3y and x? -- y. Find its perimeter.
4 Do the following subtractions,
#3x42
30s
d 9a + 8b 90
2
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0
Answer:
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Answered by
1
Step-by-step explanation:
perimeter of a triangle =add all the sides
3x2+0xy-y2
4x2-7xy+4y
-3x2+7xy+8y2
____________
4x2+11y2
________________ answer= 4x2+11y2
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