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Answered by
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HEY mate here is your answer.
Sn=n(2a+(n-1)d)/2
here given:-)
. a=4. and d=2..
S9=9(2#4+8#2)/2
=9(8+16)/2
=9#24/2
=9#12
=108(answer)
Hope it helps you.
^_^
Sn=n(2a+(n-1)d)/2
here given:-)
. a=4. and d=2..
S9=9(2#4+8#2)/2
=9(8+16)/2
=9#24/2
=9#12
=108(answer)
Hope it helps you.
^_^
Answered by
0
S9= N/2[2a+(n-1)d]
=9/2[8+16]
=9×24/2
=9×12
=108 answer
plz mark it brainliast
=9/2[8+16]
=9×24/2
=9×12
=108 answer
plz mark it brainliast
Rohitupadhyay1:
plz mark it brainliast
mark it
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