Question

use(a+b)2=a2+2ab +b2 to evalute the following (10.2)^2 (ii)(1003)
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Answer 1

Answer:

I think in 2nd part there should be (1003)^2

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Answer 2

(¡) (10+0.2)²=10²+2*10*0.2+0.2²

100+4+0.4

104.04

(¡¡) (1000+3)²=1000²+2*1000*3+3²

1000000+6000+9

1006009

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