Q. 2


2 .       F a c t o r i s e   t h e   p o l y n o m i a l   :     a x 2 +   b x 2   +   a y 2   +   b y 2 .

ax2+bx2+ay2+by2=x2a+b+y2a+b=a+bx2+y2

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= ax^2 + bx^2 + ay^2 + by^2 = a(x^2 + y^2) + b(x^2 + y^2) = (a + b) (x^2 + y^2)ans.
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