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प्रश्न
Which of the following number square of even number?
5476
उत्तर
The numbers whose last digit is odd can never be the square of even number. use prime factorisation method and make pairs of equal factor.
5476 = 2 x 2 x 37 x 37
= (2 x 2) x (37 x 37)
There are no factors that are not paired. Hence, 5476 is a perfect square. The square of an even number is always even. Hence, 5476 is the square of an even number.
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संबंधित प्रश्न
From the pattern, we can say that the sum of the first n positive odd numbers is equal to the square of the n-th positive number. Putting that into formula:
1 + 3 + 5 + 7 + ... n = n2, where the left hand side consists of n terms.
Observe the following pattern
22 − 12 = 2 + 1
32 − 22 = 3 + 2
42 − 32 = 4 + 3
52 − 42 = 5 + 4
and find the value of
1112 − 1092
Observe the following pattern
\[\left( 1 \times 2 \right) + \left( 2 \times 3 \right) = \frac{2 \times 3 \times 4}{3}\]
\[\left( 1 \times 2 \right) + \left( 2 \times 3 \right) + \left( 3 \times 4 \right) = \frac{3 \times 4 \times 5}{3}\]
\[\left( 1 \times 2 \right) + \left( 2 \times 3 \right) + \left( 3 \times 4 \right) + \left( 4 \times 5 \right) = \frac{4 \times 5 \times 6}{3}\]
and find the value of(1 × 2) + (2 × 3) + (3 × 4) + (4 × 5) + (5 × 6)
Find the squares of the following numbers using diagonal method:
98
Find the square of the following number:
451
Find the square of the following number:
265
Find the square of the following number:
425
Can a right triangle with sides 6 cm, 10 cm and 8 cm be formed? Give reason.
The dimensions of a rectangular field are 80 m and 18 m. Find the length of its diagonal.
Find the area of a square field if its perimeter is 96 m.
