Math, asked by suhanibehra, 15 hours ago

if 1+2+3+4....+n = n(n+1)/2 , then find 11+12+13...+30

Answers

Answered by krishpmlak

2

Answer:

Step-by-step explanation:

Attachments:

Previous Question

Next Question

Similar questions

English, 8 hours ago

plz give me answer fast I will make you brainlist...

Hindi, 8 hours ago

दिपावली त्यौहार के विषय में पिता - पुत्र का संवाद...

Math, 8 hours ago

plz help me to do this...

Math, 15 hours ago

10 7 cos 30°+5tan30°+6cot60° is dash.

India Languages, 15 hours ago

दुधात साखर पडणे अर्थ...

Math, 8 months ago

一3(x+2)=12 Find X Equation ...

English, 8 months ago

The picture is about A) how to dream B) how to think C) how to aim D) how to change thoughts into actions ...

Science, 8 months ago

Name the law which is justified by following postulate...Atoms combine in fixed ratio to form a compound and their relative number always remain same.plz fast...