Math, asked by bpgaikwad88171, 1 year ago

The sum of AP , 1+2+_ _ _ _ + 10 is

Answers

Answered by Jaizz

8

Answer:

55

Step-by-step explanation:

sn =n/2(2a+ (n-1)d)

= 10/2(2*1 + 9*1)

5(2+9)

11*5

55

Answered by sandy1816

5

Step-by-step explanation:

here a=1 & d=1

n=10

Sn=n/2(a+an)

=10/2(1+10)

=5(11)

=55

Previous Question

Next Question

Similar questions

Science, 7 months ago

the ph of a neutral sbstance is...

Math, 7 months ago

what are the food items eat in your breakfast...

Math, 7 months ago

1 1 c. 9x103 +3 x -+ 4x 102 10...

Chemistry, 1 year ago

In photoelectric effect, if the energy required to overcome the attractive forces on the (work function) of Li,Na,and Rb are 2.41eV, 2.3eV, and 2.09eV respectively. The work function of "K" could approximately...

English, 1 year ago

The. girls are making chairs ka passive...

English, 1 year ago

Though he dialled frequently P : on telephone Q : my brother could not contact me R : and had left no information S : as I had gone out of office The Proper sequence should be: A.QPRS B.SQRP C.QPSR D.SPQR...

English, 1 year ago

The appearance P : this dinosaurs were at their peak Q : of the first mammals on the earth R : at the time when S : went almost unnoticed The Proper sequence should be: A.SRPQ B.QSRP C.QRPS D.RPQS...

English, 1 year ago

By this time P : at the railway station Q : reported mass looting R : reports of violence were flooding in S : which police dispatches The Proper sequence should be: A.RSPQ B.SPRQ C.SQRP D.RSQP...