Grade 12th PassAlgebra
I can't understand the step which I marked. Please explain that to me
I can't understand the step which I marked. Please explain that to me
1 Answer
Deepak Kumar Shringi
as 1 is once, 2 is twice, 3 is thrice if you follow the same last term will be n and second last will be n-1, now as we are finding 150thterm that can be in between them so they wrote first step 2ndstep is just a formula of doing sum of n terms
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