Math, asked by vishalx, 1 year ago

please solve question no. 41

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Answers

Answered by ssssohail2902
1

Answer:


Step-by-step explanation:

a=103, d=-2, S49=?

S49=n/2(2a+(n-1) d)

=49/2(2*103+(48) (-2))

=24.5(206+(-96))

=24.5(206-96)

=24.5(110)

=2, 695

:. S24=2, 695



vishalx: thanks bro
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