please solve question no. 41
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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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