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1. |
What do we get after factorising x3+ 8y3+ z3 – 4xyz? |
A. | (x + 2y + z) (x2 + 4y2 + z2 – 2xy – 2yz – zx) |
B. | (x + 2y + z) (x2 + 4y2 + z2 – 2xy – 2yz – zx) |
C. | (x + 2y + z) (x2 + 4y2 + z2 – 2xy – 2yz – zx) |
D. | (x + 2y + z) (x2 + 4y2+ z2 – 2xy – 2yz – zx) |
Answer» D. | |