Find the squares of the following numbers containing 5 in unit's place.
(1) 15
(ii) 95
(iii) 105
(iv) 205
Answers
Answered by
2
Answer:
(15)2 = 1 x (1 + 1) x 100 + 25 = 1 x 2 x 100 + 25 = 200 + 25 = 225(ii) (95)2 = 9 x (9 + 1) x 100 + 25 = 9 x 10 x 100 + 25 = 9000 + 25 = 9025(iii) ... Find the square of the following numbers containing 5 in unit's place. (i) 15 (ii) 95 (iii) 105 (iv) 205
Step-by-step explanation:
Similar questions