RS Aggarwal & V Aggarwal - Mathematics

Book: RS Aggarwal & V Aggarwal - Mathematics

Chapter: 1. Real Number

Subject: Mathematics - Class 9th

Q. No. 4 of Exercise 1D

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4

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


=


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