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If an A.p. Fifth term exceeds twice second term by 1. The tenth term xeceeds twice fourth term by 3
* find first term and common difference
* find sum of first twenty-five terms.
8 years ago

Answers

a+4d = 2(a+d)+1
a+9d = 2(a+3d)+3

Now crank it out.
8 years ago

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