Question

Evaluate using suitable identity: 1) 103 x 104
2) 96 x 104

Answer 1

1. 10712

2. 9984

1.

103(104)

= (100+3) × (100+4)

By using x+a(x+b) = x²+ (a+b)x + ab

100² + (3+4)100+ 3×4

= 10000 7(100)+12

= 10000+700+12

= 10712

2.

104(96)

= (100+4) (100-4)

By using (a+b) (a-b) = a²-b²

100²-4²

= 10000 - 16

= 9984

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Answer 2

Answer:

So these are the answers by using identies

Step-by-step explanation:

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