find the sum of first 50 even natural numbers using AP
Answers
Answered by
16
2+4+6....
n/2(2a+(n-1)d)
50/2 (2(2) +(50-1)2)
50/2(4+(49)2)
50/2(4+98)
50/2(102)
50×51
2550 is answer
n/2(2a+(n-1)d)
50/2 (2(2) +(50-1)2)
50/2(4+(49)2)
50/2(4+98)
50/2(102)
50×51
2550 is answer
Deepak0724:
Shivam and sanyam together have 25 balls . both of them lost 4 balls and the product of the number of balls they now have is 66 . find out how many balls initially did shivam and sanyam have separately ? what value do the students should posses so that they safe guard their belongings ?
Answered by
8
Answer:
Step-by-step explanation:
Attachments:
Similar questions