Question

using (x+a)(x+b)=x²+(a+b)x+ab, find
(ii)9.7×9.8​

Answer 1

Answer:

Using (X + A) (X + B) = Xsquare2 + (A + B) X + Ab, Find 9.7 × 9.8 Concept: Expansion of (a + b)2 = a2 + 2ab + b2.

Follow me

And like my answers