Maths-
General
Easy
Question
The dimensions of a rectangle are shown. Write the area of the rectangle as a sum of cubes .
The correct answer is: Thus, the sum of cubes are of the form x^3 + 3^3.
ANSWER:
Hint:
where a and b can be real values, variables or multiples of both.
We are asked to write the area of the rectangle as the sum of cubes
Step 1 of 2:
The length of the rectangle is: x2- 3x + 9
The width of the rectangle is: (x + 3)
Thus, the area of the rectangle is:
Step 2 of 2:
Analyze the area of the rectangle, we get:
Thus, the sum of cubes are of the form x3 + 33
Note:
The area of a rectangle with length l and width w is A = lw.
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