plz explain this solution i cannot understand ki kha se answer 26 aagya hai .Question no 3 ka 2 solution explain.
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there answer is very worstly step
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27 = 9 ( 81 - 3( ab+ bc+ ca)
27 = 9 (78 (ab+bc+ca)
when 9 is multiplied with the bracket , bring it on the other side under 27 and divide it .
27 / 9 = 3
then bring 3 under 78 and do like this
78 / 3 = ab + bc + ca
hence 78 divided by 3 = 26, then u will surely get the answer .
please follow me ..
27 = 9 (78 (ab+bc+ca)
when 9 is multiplied with the bracket , bring it on the other side under 27 and divide it .
27 / 9 = 3
then bring 3 under 78 and do like this
78 / 3 = ab + bc + ca
hence 78 divided by 3 = 26, then u will surely get the answer .
please follow me ..
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