answer this question please
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HEY MATE;
CHECK OUT THIS;
HOPE IT IS HELPFUL;
PLS MARK IT AS BRAINLIEST!!!!
CHECK OUT THIS;
HOPE IT IS HELPFUL;
PLS MARK IT AS BRAINLIEST!!!!
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brainliest19:
thanks for helping
welcome
need one explaniation why we take 21 as n
we think this proccess of taking 21 as n in mind because after taking 21 as n 2a+20d will be come and after taking common 2(a+10) is come
so i want to say that we think about this
this from my side
if u have doubt plz ask ur teacher
otherwise , my explanation for this is i gave
i hope it will help you
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