Math, asked by pramodk123456, 4 months ago

7. Without adding, find the sum.
(1) 1 + 3 + 5 + 7 + 9
​

Answers

Answered by studies9
1

Answer:

In this series, by counting we can find that the total odd numbers are 12, i.e, n=12, So by equation (1) we can write, 1+3+5+7+9+11+13+15+17+19+21+23 = 122 = 12×12 =144.

Previous Question
Next Question
Similar questions
Math, 2 months ago
what are the lcm of 68,102,119​...
Computer Science, 2 months ago
write a short note on page break preview​...
Computer Science, 2 months ago
Please guys my exam is going on please give me the solution please fasttttt please​...
Environmental Sciences, 4 months ago
why is my new black widow tetra fish is not eating food​...
Computer Science, 4 months ago
Difference between system defined constants and user-defined constants in visual basic...
Social Sciences, 10 months ago
the important function of the panchayat raj institution is ​...
Social Sciences, 10 months ago
Give us all answer in question. 1). The Sultans believed that a worthy and experienced slave was better than an inexperienced son. can you think of a reason why a slave would be better than a son? 2). Animals have started behaving strangely in a coastal area. The sea has also started receding. do you see signs of any special phenomenon.​
Math, 10 months ago
simplify (-823)+(+950)-245​...