The perimeter of a rectangle with length 2a² + 9b² - 6c² + 8 and breath 11 - 7a²
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1
Answer:
perimeter = 2 ( l + b)
= 2 [( 2a²+9b²-6c²+8)+(11-7a²)]
= 2 ( 2a²+9b²-6c²+8+11-7a²)
= 2 ( 2a²-7a²+9b²-6c²+19)
= 2 ( -5a²+9b²-6c²+19)
= -10a²+18b²-12c²+38
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3
Answer:
maine Gaali kaha Di hai vro
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