Question

Without actually finding the squares, fill in the blanks :
(i) (18)2-(17)2 =
(ii) (20)2-(19)2
(iii) (51)2-(50)2 =
(iv) (31)2-(30)2 =
(v) (28)2-(27)2 =
(vi) (45)2 - (44)2=​

Answer 1

Answer:

1) 384-289

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Answer 2

Answer:

1. 61

2.101

3.82

4.70

5.779

6.4