मराठी

For every natural number m, (2m – 1, 2m2 – 2m, 2m2 – 2m + 1) is a pythagorean triplet.

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प्रश्न

For every natural number m, (2m – 1, 2m2 – 2m, 2m2 – 2m + 1) is a pythagorean triplet.

पर्याय

  • True

  • False

MCQ
चूक किंवा बरोबर
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उत्तर

This statement is False.

Explanation:

∵ (2m – 1)2 ≠ (2m2 – 2m)+ (2m2 – 2m + 1)2

(2m2 – 2m)2 ≠ (2m – 1)2 + (2m2 – 2m + 1)2 

And (2m2 – 2m + 1)2 ≠ (2m – 1)2 + (2m2 – 2m)2

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Square-Square Root and Cube-Cube Root - Exercise [पृष्ठ ९२]

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एनसीईआरटी एक्झांप्लर Mathematics Exemplar [English] Class 8
पाठ 3 Square-Square Root and Cube-Cube Root
Exercise | Q 65. | पृष्ठ ९२

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संबंधित प्रश्‍न

Write a Pythagorean triplet whose one member is 18.


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 

992 − 962


Which of the following triplet pythagorean? 

(16, 63, 65)


Observe the following pattern \[1 = \frac{1}{2}\left\{ 1 \times \left( 1 + 1 \right) \right\}\]
\[ 1 + 2 = \frac{1}{2}\left\{ 2 \times \left( 2 + 1 \right) \right\}\]
\[ 1 + 2 + 3 = \frac{1}{2}\left\{ 3 \times \left( 3 + 1 \right) \right\}\]
\[1 + 2 + 3 + 4 = \frac{1}{2}\left\{ 4 \times \left( 4 + 1 \right) \right\}\] 

and find the values of  following: 

1 + 2 + 3 + 4 + 5 + ... + 50


Observe the following pattern \[1^2 = \frac{1}{6}\left[ 1 \times \left( 1 + 1 \right) \times \left( 2 \times 1 + 1 \right) \right]\]
\[ 1^2 + 2^2 = \frac{1}{6}\left[ 2 \times \left( 2 + 1 \right) \times \left( 2 \times 2 + 1 \right) \right]\]
\[ 1^2 + 2^2 + 3^2 = \frac{1}{6}\left[ 3 \times \left( 3 + 1 \right) \times \left( 2 \times 3 + 1 \right) \right]\]
\[ 1^2 + 2^2 + 3^2 + 4^2 = \frac{1}{6}\left[ 4 \times \left( 4 + 1 \right) \times \left( 2 \times 4 + 1 \right) \right]\] and find the values :  

12 + 22 + 32 + 4+ ... + 102

 

 


Which of the following number  square of even number? 

 225 


Which of the following number is squares of even number ?

256


Find the square of the following number: 

862


Find the square of the following number: 

745 


The sum of successive odd numbers 1, 3, 5, 7, 9, 11, 13 and 15 is ______.


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