The two adjacent sides of a rectangle are 3x ^3 + 4x ^2 − 5x + 6 and 3x ^3 + 4x ^2 − 5x + 6 . Find its perimeter
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Answer:
12x³+16x²-20x+24
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Answer:
Perimeter of a rectangle = 2(l+b)
= 2 {(3x³+4x²-5x+6)+(3x³+4x²-5x+6
= 2( 6x³+8x²-10x+12)
= 12x³+16x²+100x+144
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