Hence unit s digit of square of 26387 is 9.
Square root of 52698.
Therefore one s digit of the square root of 99856 is either 4 or 6.
Place 5 is 5.
Vii the number 52698 contains its unit s place digit 8.
A square root of a number is a number that when it is multiplied by itself squared gives the first number again.
All ncert textbook questions have been solved by our expert teachers.
What will be the unit digit of the squares of the following numbers.
So square of 7 is 49.
Unit s digit of the square root of number 998001 is equal to 1 or 9.
Download free pdf of best ncert solutions class 8 math cbse squares and square roots.
1 explanation since 1 2 ends up having 1 as the digit at unit s place so 81 2 will have 1 at unit s place.
Hence unit s digit of square of 52698 is 4.
Iii if the number ends with 1 then the one s digit of the square root of that number may be 1 or 9.
Ex 6 1 class 8 maths question 1.
In geometrical terms the square root function maps the area of a square to its side length.
A number bigger than zero has two square roots.
Square root exercise 6 1.
Find the square root of the following decimal numbers.
Also find the square root of the perfect square so obtained.
So 272 2 will have 4 at unit s place.
For example 2 is the square root of 4 because 2x2 4.
I 81 ii 272 iii 799 iv 3853 v 1234 vi 20387 vii 52698 viii 99880 ix 12796 x 55555 solution.
I 2 56 ii 7 29 iii 51 84 iv 42 25 v 31 36.
The possible one s digit of the square root of the number 99856 could be 4 or 6.
Without doing any calculation find the numbers which are surely not perfect squares.
The square root of x is rational if and only if x is a rational number that can be represented as a ratio of two perfect.
Ncert solutions for class 8 maths chapter 6 squares and square roots exercise 6 1.
One is positive bigger than zero and the other is negative.
Iv if the number ends with 5 then the one s digit of the square root of that number will be 5.
We know that the unit s digit of the square of a number having digit as unit s.
I 402 ii 1989 iii 3250 iv 825 v 4000.
So square of 0 is 0.
You can also get free sample papers notes important questions.
The principal square root function f x x usually just referred to as the square root function is a function that maps the set of nonnegative real numbers onto itself.
Unit s digit of the square root of number 657666025 is equal to 5.
Find the least number which must be subtracted from each of the following numbers so as to get a perfect square.
I unit digit of 81 2 1 ii unit digit of 272.
Therefore one s digit of the square root of 998001 is either 1 or 9.
Hence unit s digit of square of 99880 is 0.
Since 2 2 4 therefore square of 272 will have 2 at it s unit place.
Iii 998001 1 1 1 and 9 x 9 81 the possible one s digit of the square root of the number 998001 could be 1 or 9.
Viii the number 99880 contains its unit s place digit 0.
What will be the unit digit of the squares of the following numbers.
