Mathematics, 16.09.2021 01:10, paradisetiyae5261

28. a) The pth term of an A. P. is a and the qtr term is b. Prove that the sum of its (p + q)terms is
p+q/2[a + b + (a-b)/(p-q)]

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28. a) The pth term of an A. P. is a and the qtr term is b. Prove that the sum of its (p + q)terms...