(ax + by) is a factor of :
Answer & explanation
Correct answer: option 2
We know that,
(a + b)2 = a2 + b2 + ab
So, (ax + by)2 = a2x2 + 2abxy + b2y2
So, (ax + by) is a factor of a2x2 + 2abxy + b2y2
(ax + by) is a factor of :
Correct answer: option 2
We know that,
(a + b)2 = a2 + b2 + ab
So, (ax + by)2 = a2x2 + 2abxy + b2y2
So, (ax + by) is a factor of a2x2 + 2abxy + b2y2