Q4 of 124 Page 25

Simplify:

(i)


(ii)


(iii)


(iv)


(v) (vi)


∵ (a + b) (a - b) = a2 - b2


=


(ii)


∵ (a + b) (a - b) = a2 - b2



(iii)


∵ (a + b) (a - b) = a2 - b2


=



=


=


(v)


∵ (a - b)2 = a2 + b2 - 2ab


=


(vi)


∵ (a - b)2 = a2 + b2 - 2ab


=


More from this chapter

All 124 →
2

Multiply:

(i) (ii)


(iii) (iv)


(v) (vi)

3

Divide:

(i) (ii)


(iii)

5

Represent geometrically on the number line.

 6

Represent geometrically on the number line.