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CBSE Class 8 Answered

If (x, 2x - 10, 2x - 1) is a Pythagorean triplet, what is the value of x?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer
Answered by | 04 Jun, 2014, 03:23: PM

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CBSE 8 - Maths
Sattvaj here Is it compulsory that the difference between the 2 bigger no.s in Pythagorean triplets is 2? 18,80 and 82, there is a difference of 2 between 80 and 82 so is it there in all no.s or there can be a smaller/bigger difference?    
Asked by sattvaj.trivedi | 24 Apr, 2022, 03:57: PM
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CBSE 8 - Maths
1967 perfect square
Asked by dhamdhereh | 30 Oct, 2021, 03:33: PM
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CBSE 8 - Maths
What will be the ones digits of the square of the number 1145
Asked by deepsikhab71.8cpsb | 16 Jun, 2021, 03:07: PM
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CBSE 8 - Maths
Find the square of the number 82 using the property (a + b)2 = a2 + b2 + 2ab.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 8 - Maths
Find the square of the number (-25), using the identity (a + b)2 = a2 + b2 + 2ab.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 8 - Maths
Using the given pattern, find the missing numbers.  12 + 22 + 22 = 32 22 + 32 + 62 = 72 32 + 42 + __ = 132 42 + 52 + 202 = __2 52 + 62 + __ = 312 62 + __ + 422 = 432
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 8 - Maths
Observe the following pattern and find the missing numbers. 112 = 121 1012 = _ _ _ _ _ 101012 = 102030201 10101012 = 1_ _ _ _ _4_ _ _ _ _1 1010101012 = _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 8 - Maths
Observe the following pattern and write the missing numbers. 12 = 1 112 = 121 1112 = 12321 11112 = ________ 111112 = _________
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 8 - Maths
Observe the following pattern: 11 × 13 = (12 - 1) × (12 + 1) = 122 - 1 13 × 15 = (14 - 1) × (14 + 1) = 142 - 1 15 × 17 = (16 - 1) × (16 + 1) = 162 - 1 Using this pattern, find (i) 19 × 21 (ii) 29 × 31
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 8 - Maths
Observe the following pattern and find the missing numbers. 72 = 49 672 = 4489 6672 = 444889 66672 = 44448889 666672 = ___________ 6666672 = ____________ 
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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