Question

① (201)2 ② (1002)2 ③ (102)2 ④ (x + 2)2​

Answer 1

Answer:

Step-by-step explanation:

1) 402

2) 2004

3) 204

4) 2x+4

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Answer 2

Answer:

1) (201)^2

( 200+1)^2

using identity (a+b)^2 = a^2+b^2+2ab

200^2+1^2+2(200)(1)

40000+1+400

40401

2) (1002)^2

( 1000+2)^2

using identity (a+b)^2 = a^2+b^2+2ab

1000^2+2^2+2(1000)(2)

1000000+4+40000

1040004

3)( 102)^2

( 100+2)^2

using identity (a+b)^2 = a^2+b^2+2ab

100^2+2^2+2(100)(2)

10000+4+400

10404

4)( x+2)^2

using identity (a+b)^2 = a^2+b^2+2ab

x^2+ 2^2+2 (x)(2)

x^2+4+4x