1
Question
Using pattern of square numbers, the square of 45 can be written as
Using pattern of square numbers, the square of 45 can be written as
Open in App
Solution
The correct option is A (4 x 5) x 100 + 25
We know that:
For every number (a5) with unit digit 5, we have:
(a5)2 = a(a+1) hundred + 52
452 = (4 x 5) x 100 + 25.
(4 x 5) x 100 + 25
We know that:
For every number (a5) with unit digit 5, we have:
(a5)2 = a(a+1) hundred + 52
452 = (4 x 5) x 100 + 25.
Suggest Corrections
1
. What are the numbers to be filled in the box?
Join BYJU'S Learning Program
Explore more
Join BYJU'S Learning Program
