Question

what is treason
$1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10$
​

Answer 1

1+2+3+4+5+6+7+8+9+10

Are in AP.

so,a=1,d=1 and an=10 andn=10

there sum=n/2(a+an)

=10/2(1+10)

=5×11

=55(ans)

Here is your answer

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Answer 2

${\huge{\mathfrak\red{hy \:mate}}}$

${\huge{\purple{ answer :}}}$

1+2+3+4+5+6+7+8+9+10

Are in AP.

so,a=1,d=1 and an=10 andn=10

there sum=n/2(a+an)

=10/2(1+10)

=5×11

=55(ans)

_______________________________

${\huge{\mathbb\pink{Thanks,}}}$

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