find sum of first 10 terms of 4 7 24...?
Answers
Answered by
5
Hii There!!
Given, a = 4 , d= a2-a1= 7 - 4 => 3 , n = 10 , Sn= ?
Since , we know that, Sum of 'n' terms of an A.P is given by ;
Sn = n/2 [ 2a + (n-1) d ]
=) 10/2 [2(4) + ( 10 -1 ) 3 ]
=) 5 [ 8 + 27 ]
=) 5 [ 35]
Sn=) 175
So, Sum of first 10 terms of an A.P is 175.
____________________________
Hope it helps
#DK
☺☺DEAR P☺☺☺
Given, a = 4 , d= a2-a1= 7 - 4 => 3 , n = 10 , Sn= ?
Since , we know that, Sum of 'n' terms of an A.P is given by ;
Sn = n/2 [ 2a + (n-1) d ]
=) 10/2 [2(4) + ( 10 -1 ) 3 ]
=) 5 [ 8 + 27 ]
=) 5 [ 35]
Sn=) 175
So, Sum of first 10 terms of an A.P is 175.
____________________________
Hope it helps
#DK
☺☺DEAR P☺☺☺
ShashankShirsat:
I can't understand.
4,7,10,13,16,19,22,25,28,31....
d=3
d=3
Answered by
1
Heya mate
here is your answer
I hope this will help you...✌️✌️
thank u:-)
here is your answer
I hope this will help you...✌️✌️
thank u:-)
Attachments:
Similar questions