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Q2 of 157 Page 22

Using a suitable identity, find each of the following products:

∵ (a2 – b2) = (a – b) × (a + b)




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2

Using a suitable identity, find each of the following products:

(2l – 3m) (2l + 3m)

2

Using a suitable identity, find each of the following products:

2

Using a suitable identity, find each of the following products:

(100 + 3) (100 – 3)

3

Using the identity (x + a)(x + b) = x2 + (a + b)x + ab, find out the following products:

(x + 4)(x + 7)

Questions · 157
1. Algebra
1 1 1 1 1 1 1 2 3 4 5 6 1 2 3 4 5 5 5 5 5 6 6 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 6 6 7 8 9 10 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 1 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 3 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2
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