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Question

$MF#%\dfrac{612 \times 612 \times 612 + 321 \times 321 \times 321}{612 \times 612 - 612 \times 321 + 321 \times 321} = ?$MF#%
Options:
A .  933
B .  1000
C .  712
D .  843
Answer: Option A

Answer : Option A

Explanation :

$MF#%a^3 + b^3 = (a + b)(a^2 - ab + b^2)$MF#%


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