find the sum of 2x terms of the series 12 22 32 42

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Q:
Find the sum of 2x terms of the series ( 1² - 2² + 3² - 4² + ___ )

1
x² ( 2x + 1 )
2
- x2 ( 2x + 1 )
3
x ( 2x + 1 )
4
-x ( 2x + 1 )

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Answer : 2. "- x2 ( 2x + 1 ) "

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Maths Number System Questions

Q:
Find the sum of 2x terms of the series ( 1² - 2² + 3² - 4² + ___ )

Answer : 2. "- x2 ( 2x + 1 ) "

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find-the-sum-of-2x-terms-of-the-series-12-22-32-42

Q: Find the sum of 2x terms of the series ( 12 - 22 + 32 - 42 + ___ )

Answer : 2. "- x2 ( 2x + 1 ) "

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Are you sure

Report Error

find-the-sum-of-2x-terms-of-the-series-12-22-32-42

Q:
Find the sum of 2x terms of the series ( 1² - 2² + 3² - 4² + ___ )

Q.
If Suresh borrows Rs. 36000 from Mahesh at rate of interest 6% S.I, at the end of four years how much interest Suresh has to pay along with principal amount?

Q.
A train moving at speed of 90 km/hr crosses a pole in 7 seconds. Find the length of the train.

Q.
A clock only with only dots marking 3, 6, 9 and 12 positions has been kept upside down in front of mirror. A person reads the time in the reflection of the clock as 4.50. What is the actual time?