17a+16d=289upon 7a+6d=49 please solve it but correct
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both eq a one side and D both side and sub 1,2 eq than ans
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17a+16d=289
7a+6d=49
Subtracting second eq. from first,
10a+10d=240
a+d=24
6a+6d=134
7a+6d=49
Subtracting
-a=85
a=-85
-85+d=24
d=24+85
=109
Tell me if I am wrong in the comments
7a+6d=49
Subtracting second eq. from first,
10a+10d=240
a+d=24
6a+6d=134
7a+6d=49
Subtracting
-a=85
a=-85
-85+d=24
d=24+85
=109
Tell me if I am wrong in the comments
diksha53:
kese kiya
some short tricks are there but then also well done champ
आभार ।
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