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Eric semu
Answers (1)
First use this formula nth=a d(n-1) 13=4 d(4-1). 13=4 3d 13-4=3d. 3d/3=9/3 d=3 Secondly to find p and q use the formula for finding common difference( D ) Therefore d=2nd term-1st term 3=p-4. P=3 4=7 P=7 Since 3rd term=a 2d. q=a 2d. q=4 2(3) q=4 6. q=10
