Factorise :ab(x^2 - y^2) + (a^2 - b^2)xy = 0
1 answer:
Step-by-step explanation:
abx^2-aby^2+xya^2-xyb^2
abx^2+xya^2-aby^2-xyb^2
ax(bx+ya)-yb(ay+xb)
ax(bx+ya)-yb(xb+ay)
(ax-yb) (bx+ya)
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I would say D. It makes the most Since
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Step-by-step explanation:
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