Plz help me solve these 5 questions. quick..
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krithi633:
anyone plz answer my questions fast plz...
Answers
Answered by
1
1》 1+6+11+.....+×=148
●Firstly find common difference of the AP
d= 6-1 = 5
[d= 5]
a= 1
148 = x/2[ 2 + (x-1)5]
148= x+ 5x^2/2 -5x/2
solve it you will get x ....
I will answer the rest questions soon ...
ok thankyou...
thank
Answered by
1
above answer is correct
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