Math, asked by ychandni817, 20 days ago

1sq+2sq+3sq+4sq+------10sq+11+12+----20ka sum

Answers

Answered by panchanandupont

0

Answer:

n=20

n+1=21

2n+1=41

sum is = n(n+1)(2n+1)/6=20×21×41/6=2870

Previous Question

Next Question

Similar questions

Math, 10 days ago

What is the measure of each exterior angle of a regular pentagon? a. how...

English, 10 days ago

suggest another alternate end for the story?novel- the room on the roof...

English, 10 days ago

2.What is wrong with Firdaus's physique?

English, 20 days ago

Write a letter to your father demanding money school and hostel fee...

History, 20 days ago

who wrote the constitution ?

Math, 9 months ago

in the given figure , AC=BC and CBD=DEC prove that BCF=EDF...

Math, 9 months ago

solve it and become brainliest...

English, 9 months ago

suresh said to dinesh you should not read these dirty novels change into indirect speech ...