Question

1+3+5+9+11+13.................+99

step by step explanation ⚡⭐please ​

Answer 1

Answer:

answer= 2500

Step-by-step explanation:

1+3+5+7+9+11+13+15+17+19+21+23+25+27+29+31+33+35+37+39+41+43+45+47+49+51+53+55+57+59+61+63+65+67+69+71+73+75+77+79+81+83+85+87+89+91+93+95+97+99

Answer 2

Answer:

Hey...!!!

As we know...

S = n/2 [ 2a + (n-1)d ]

Here...

n= 50

a= 1

d = 2

So...

S = 50/2 [ 2(1)+(50-1)2 ]

= (25)[ 2 + (49)(2) ]

= (25) [ 2+98]

= (25)× (100)

= 2500

Hope this helps....❤❤☺☺

Happy Dusshera....!! ❤❤